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-
- #GNU Mailman - Installation Manual About this document... About this
- document...
-
- Previous Page Up One Level Next Page GNU Mailman - Installation Manual
- _________________________________________________________________
-
-GNU Mailman - Installation Manual
-
- Barry Warsaw
-
- barry(at)python.org
-
- Release 2.1
- December 13, 2005
-
- Front Matter
-
- Abstract:
-
- This document describes how to install GNU Mailman on a POSIX-based
- system such as Unix, MacOSX, or GNU/Linux. It will cover basic
- installation instructions, as well as guidelines for integrating
- Mailman with your web and mail servers.
-
- The GNU Mailman website is at http://www.list.org
-
- 1 Installation Requirements
-
- GNU Mailman works on most POSIX-based systems such as Unix, MacOSX, or
- GNU/Linux. It does not currently work on Windows. You must have a mail
- server that you can send messages to, and a web server that supports
- the CGI/1.1 API. Apache makes a fine choice for web server, and mail
- servers such as Postfix, Exim, Sendmail, and qmail should work just
- fine.
-
- To install Mailman from source, you will need an ANSI C compiler to
- build Mailman's security wrappers. The GNU C compiler gcc 2.8.1 or
- later is known to work well.
-
- You must have the Python interpreter installed somewhere on your
- system. Mailman 2.1 requires Python 2.1 or newer, although Python 2.3
- or newer is recommended.
-
- 2 Set up your system
-
- Before installing Mailman, you need to prepare your system by adding
- certain users and groups. You will need to have root privileges to
- perform the steps in this section.
-
-2.1 Add the group and user
-
- Mailman requires a unique user and group name which will own its
- files, and under which its processes will run. Mailman's basic
- security is based on group ownership permissions, so it's important to
- get this step right1. Typically, you will add a new user and a new
- group, both called mailman. The mailman user must be a member of the
- mailman group. Mailman will be installed under the mailman user and
- group, with the set-group-id (setgid) bit enabled.
-
- If these names are already in use, you can choose different user and
- group names, as long as you remember these when you run configure. If
- you choose a different unique user name, you will have to specify this
- with configure's --with-username option, and if you choose a different
- group name, you will have to specify this with configure's
- --with-groupname option.
-
- On Linux systems, you can use the following commands to create these
- accounts. Check your system's manual pages for details:
-
- % groupadd mailman
- % useradd -c''GNU Mailman'' -s /no/shell -d /no/home -g mailman mailman
-
-2.2 Create the installation directory
-
- Typically, Mailman is installed into a single directory, which
- includes both the Mailman source code and the run-time list and
- archive data. It is possible to split the static program files from
- the variable data files and install them in separate directories. This
- section will describe the available options.
-
- The default is to install all of Mailman to /usr/local/mailman2. You
- can change this base installation directory (referred to here as
- $prefix) by specifying the directory with the --prefix configure
- option. If you're upgrading from a previous version of Mailman, you
- may want to use the --prefix option unless you move your mailing
- lists.
-
- Warning: You cannot install Mailman on a filesystem that is mounted
- with the nosuid option. This will break Mailman, which relies on
- setgid programs for its security. If this describes your environment,
- simply install Mailman in a location that allows setgid programs.
-
- Make sure the installation directory is set to group mailman (or
- whatever you're going to specify with --with-groupname) and has the
- setgid bit set3. You probably also want to guarantee that this
- directory is readable and executable by everyone. For example, these
- shell commands will accomplish this:
-
- % cd $prefix
- % chgrp mailman .
- % chmod a+rx,g+ws .
-
- You are now ready to configure and install the Mailman software.
-
- 3 Build and install Mailman
-
-3.1 Run configure
-
- Before you can install Mailman, you must run configure to set various
- installation options your system might need.
-
- Note: Take special note of the --with-mail-gid and --with-cgi-gid
- options below. You will probably need to use these.
-
- You should not be root while performing the steps in this section. Do
- them under your own login, or whatever account you typically use to
- install software. You do not need to do these steps as user mailman,
- but you could. However, make sure that the login used is a member of
- the mailman group as that that group has write permissions to the
- $prefix directory made in the previous step. You must also have
- permission to create a setgid file in the file system where it resides
- (NFS and other mounts can be configured to inhibit setgid settings).
-
- If you've installed other GNU software, you should be familiar with
- the configure script. Usually you can just cd to the directory you
- unpacked the Mailman source tarball into, and run configure with no
- arguments:
-
- % cd mailman-<version>
- % ./configure
- % make install
-
- The following options allow you to customize your Mailman
- installation.
-
- --prefix=dir
- Standard GNU configure option which changes the base directory
- that Mailman is installed into. By default $prefix is
- /usr/local/mailman. This directory must already exist, and be
- set up as described in 2.2.
-
- --exec-prefix=dir
- Standard GNU configure option which lets you specify a
- different installation directory for architecture dependent
- binaries.
-
- --with-var-prefix=dir
- Store mutable data under dir instead of under the $prefix or
- $exec_prefix. Examples of such data include the list archives
- and list settings database.
-
- --with-python=/path/to/python
- Specify an alternative Python interpreter to use for the
- wrapper programs. The default is to use the interpreter found
- first on your shell's $PATH.
-
- --with-username=username-or-uid
- Specify a different username than mailman. The value of this
- option can be an integer user id or a user name. Be sure your
- $prefix directory is owned by this user.
-
- --with-groupname=groupname-or-gid
- Specify a different groupname than mailman. The value of this
- option can be an integer group id or a group name. Be sure your
- $prefix directory is group-owned by this group.
-
- --with-mail-gid=group-or-groups
- Specify an alternative group for running scripts via the mail
- wrapper. group-or-groups can be a list of one or more integer
- group ids or symbolic group names. The first value in the list
- that resolves to an existing group is used. By default, the
- value is the list mailman, other, mail, and daemon.
-
- Note: This is highly system dependent and you must get this
- right, because the group id is compiled into the mail wrapper
- program for added security. On systems using sendmail, the
- sendmail.cf configuration file designates the group id of
- sendmail processes using the DefaultUser option. (If commented
- out, it still may be indicating the default...)
-
- Check your mail server's documentation and configuration files
- to find the right value for this switch.
-
- --with-cgi-gid=group-or-groups
- Specify an alternative group for running scripts via the CGI
- wrapper. group-or-groups can be a list of one or more integer
- group ids or symbolic group names. The first value in the list
- that resolves to an existing group is used. By default, the
- value is the the list www, www-data, and nobody.
-
- Note: The proper value for this is dependent on your web server
- configuration. You must get this right, because the group id is
- compiled into the CGI wrapper program for added security, and
- no Mailman CGI scripts will run if this is incorrect.
-
- If you're using Apache, check the values for the Group option
- in your httpd.conf file.
-
- --with-cgi-ext=extension
- Specify an extension for cgi-bin programs. The CGI wrappers
- placed in $prefix/cgi-bin will have this extension (some web
- servers require an extension). extension must include the
- leading dot.
-
- --with-mailhost=hostname
- Specify the fully qualified host name part for outgoing email.
- After the installation is complete, this value can be overriden
- in $prefix/Mailman/mm_cfg.py.
-
- --with-urlhost=hostname
- Specify the fully qualified host name part of urls. After the
- installation is complete, this value can be overriden in
- $prefix/Mailman/mm_cfg.py.
-
- --with-gcc=no
- Don't use gcc, even if it is found. In this case, cc must be
- found on your $PATH.
-
-3.2 Make and install
-
- Once you've run configure, you can simply run make, then make install
- to build and install Mailman.
-
- 4 Check your installation
-
- After you've run make install, you should check that your installation
- has all the correct permissions and group ownerships by running the
- check_perms script. First change to the installation (i.e. $prefix)
- directory, then run the bin/check_perms program. Don't try to run
- bin/check_perms from the source directory; it will only run from the
- installation directory.
-
- If this reports no problems, then it's very likely <wink> that your
- installation is set up correctly. If it reports problems, then you can
- either fix them manually, re-run the installation, or use
- bin/check_perms to fix the problems (probably the easiest solution):
-
- * You need to become the user that did the installation, and that
- owns all the files in $prefix, or root.
- * Run bin/check_perms -f
- * Repeat previous step until no more errors are reported!
-
- Warning: If you're running Mailman on a shared multiuser system, and
- you have mailing lists with private archives, you may want to hide the
- private archive directory from other users on your system. In that
- case, you should drop the other execute permission (o-x) from the
- archives/private directory. However, the web server process must be
- able to follow the symbolic link in public directory, otherwise your
- public Pipermail archives will not work. To set this up, become root
- and run the following commands:
-
-# cd <prefix>/archives
-# chown <web-server-user> private
-# chmod o-x private
-
- You need to know what user your web server runs as. It may be www,
- apache, httpd or nobody, depending on your server's configuration.
-
- 5 Set up your web server
-
- Congratulations! You've installed the Mailman software. To get
- everything running you need to hook Mailman up to both your web server
- and your mail system.
-
- If you plan on running your mail and web servers on different
- machines, sharing Mailman installations via NFS, be sure that the
- clocks on those two machines are synchronized closely. You might take
- a look at the file Mailman/LockFile.py; the constant CLOCK_SLOP helps
- the locking mechanism compensate for clock skew in this type of
- environment.
-
- This section describes some of the things you need to do to connect
- Mailman's web interface to your web server. The instructions here are
- somewhat geared toward the Apache web server, so you should consult
- your web server documentation for details.
-
- You must configure your web server to enable CGI script permission in
- the $prefix/cgi-bin to run CGI scripts. The line you should add might
- look something like the following, with the real absolute directory
- substituted for $prefix, of course:
-
- Exec /mailman/* $prefix/cgi-bin/*
-
- or:
-
- ScriptAlias /mailman/ $prefix/cgi-bin/
-
- Warning: You want to be very sure that the user id under which your
- CGI scripts run is not in the mailman group you created above,
- otherwise private archives will be accessible to anyone.
-
- Copy the Mailman, Python, and GNU logos to a location accessible to
- your web server. E.g. with Apache, you've usually got an icons
- directory that you can drop the images into. For example:
-
- % cp $prefix/icons/*.{jpg,png} /path/to/apache/icons
-
- You then want to add a line to your $prefix/Mailman/mm_cfg.py file
- which sets the base URL for the logos. For example:
-
- IMAGE_LOGOS = '/images/'
-
- The default value for IMAGE_LOGOS is /icons/. Read the comment in
- Defaults.py.in for details.
-
- Configure your web server to point to the Pipermail public mailing
- list archives. For example, in Apache:
-
- Alias /pipermail/ $varprefix/archives/public/
-
- where $varprefix is usually $prefix unless you've used the
- --with-var-prefix option to configure. Also be sure to configure your
- web server to follow symbolic links in this directory, otherwise
- public Pipermail archives won't be accessible. For Apache users,
- consult the FollowSymLinks option.
-
- If you're going to be supporting internationalized public archives,
- you will probably want to turn off any default charset directive for
- the Pipermail directory, otherwise your multilingual archive pages
- won't show up correctly. Here's an example for Apache, based on the
- standard installation directories:
-
- <Directory "/usr/local/mailman/archives/public/">
- AddDefaultCharset Off
- </Directory>
-
- Now restart your web server.
-
- 6 Set up your mail server
-
- This section describes some of the things you need to do to connect
- Mailman's email interface to your mail server. The instructions here
- are different for each mail server; if your mail server is not
- described in the following subsections, try to generalize from the
- existing documentation, and consider contributing documentation
- updates to the Mailman developers.
-
-6.1 Using the Postfix mail server
-
- Mailman should work pretty much out of the box with a standard Postfix
- installation. It has been tested with various Postfix versions up to
- and including Postfix 2.1.5.
-
- In order to support Mailman's optional VERP delivery, you will want to
- disable luser_relay (the default) and you will want to set
- recipient_delimiter for extended address semantics. You should comment
- out any luser_relay value in your main.cf and just go with the
- defaults. Also, add this to your main.cf file:
-
- recipient_delimiter = +
-
- Using "+" as the delimiter works well with the default values for
- VERP_FORMAT and VERP_REGEXP in Defaults.py.
-
- When attempting to deliver a message to a non-existent local address,
- Postfix may return a 450 error code. Since this is a transient error
- code, Mailman will continue to attempt to deliver the message for
- DELIVERY_RETRY_PERIOD - 5 days by default. You might want to set
- Postfix up so that it returns permanent error codes for non-existent
- local users by adding the following to your main.cf file:
-
- unknown_local_recipient_reject_code = 550
-
- Finally, if you are using Postfix-style virtual domains, read the
- section on virtual domain support below.
-
- 6.1.1 Integrating Postfix and Mailman
-
- You can integrate Postfix and Mailman such that when new lists are
- created, or lists are removed, Postfix's alias database will be
- automatically updated. The following are the steps you need to take to
- make this work.
-
- In the description below, we assume that you've installed Mailman in
- the default location, i.e. /usr/local/mailman. If that's not the case,
- adjust the instructions according to your use of configure's --prefix
- and --with-var-prefix options.
-
- Note: If you are using virtual domains and you want Mailman to honor
- your virtual domains, read the 6.1 section below first!
-
- * Add this to the bottom of the $prefix/Mailman/mm_cfg.py file:
- MTA = 'Postfix'
- The MTA variable names a module in the Mailman/MTA directory which
- contains the mail server-specific functions to be executed when a
- list is created or removed.
- * Look at the Defaults.py file for the variables POSTFIX_ALIAS_CMD
- and POSTFIX_MAP_CMD command. Make sure these point to your
- postalias and postmap programs respectively. Remember that if you
- need to make changes, do it in mm_cfg.py.
- * Run the bin/genaliases script to initialize your aliases file.
- % cd /usr/local/mailman
- % bin/genaliases
-
- Make sure that the owner of the data/aliases and data/aliases.db
- file is mailman, that the group owner for those files is mailman,
- or whatever user and group you used in the configure command, and
- that both files are group writable:
- % su
- % chown mailman:mailman data/aliases*
- % chmod g+w data/aliases*
-
- * Hack your Postfix's main.cf file to include the following path in
- your alias_maps variable:
- /usr/local/mailman/data/aliases
- Note that there should be no trailing .db. Do not include this in
- your alias_database variable. This is because you do not want
- Postfix's newaliases command to modify Mailman's aliases.db file,
- but you do want Postfix to consult aliases.db when looking for
- local addresses.
- You probably want to use a hash: style database for this entry.
- Here's an example:
- alias_maps = hash:/etc/postfix/aliases,
- hash:/usr/local/mailman/data/aliases
- * When you configure Mailman, use the --with-mail-gid=mailman
- switch; this will be the default if you configured Mailman after
- adding the mailman owner. Because the owner of the aliases.db file
- is mailman, Postfix will execute Mailman's wrapper program as uid
- and gid mailman.
-
- That's it! One caveat: when you add or remove a list, the aliases.db
- file will updated, but it will not automatically run postfix reload.
- This is because you need to be root to run this and suid-root scripts
- are not secure. The only effect of this is that it will take about a
- minute for Postfix to notice the change to the aliases.db file and
- update its tables.
-
- 6.1.2 Virtual domains
-
- Postfix 2.0 supports ``virtual alias domains'', essentially what used
- to be called ``Postfix-style virtual domains'' in earlier Postfix
- versions. To make virtual alias domains work with Mailman, you need to
- do some setup in both Postfix and Mailman. Mailman will write all
- virtual alias mappings to a file called, by default,
- /usr/local/mailman/data/virtual-mailman. It will also use postmap to
- create the virtual-mailman.db file that Postfix will actually use.
-
- First, you need to set up the Postfix virtual alias domains as
- described in the Postfix documentation (see Postfix's virtual(5)
- manpage). Note that it's your responsibility to include the
- virtual-alias.domain anything line as described manpage; Mailman will
- not include this line in virtual-mailman. You are highly encouraged to
- make sure your virtual alias domains are working properly before
- integrating with Mailman.
-
- Next, add a path to Postfix's virtual_alias_maps variable, pointing to
- the virtual-mailman file, e.g.:
-
- virtual_alias_maps = <your normal virtual alias files>,
- hash:/usr/local/mailman/data/virtual-mailman
-
- assuming you've installed Mailman in the default location. If you're
- using an older version of Postfix which doesn't have the
- virtual_alias_maps variable, use the virtual_maps variable instead.
-
- Next, in your mm_cfg.py file, you will want to set the variable
- POSTFIX_STYLE_VIRTUAL_DOMAINS to the list of virtual domains that
- Mailman should update. This may not be all of the virtual alias
- domains that your Postfix installation supports! The values in this
- list will be matched against the host_name attribute of mailing lists
- objects, and must be an exact match.
-
- Here's an example. Say that Postfix is configured to handle the
- virtual domains dom1.ain, dom2.ain, and dom3.ain, and further that in
- your main.cf file you've got the following settings:
-
- myhostname = mail.dom1.ain
- mydomain = dom1.ain
- mydestination = $myhostname, localhost.$mydomain
- virtual_alias_maps =
- hash:/some/path/to/virtual-dom1,
- hash:/some/path/to/virtual-dom2,
- hash:/some/path/to/virtual-dom2
-
- If in your virtual-dom1 file, you've got the following lines:
-
- dom1.ain IGNORE
- @dom1.ain @mail.dom1.ain
-
- this tells Postfix to deliver anything addressed to dom1.ain to the
- same mailbox at mail.dom1.com, its default destination.
-
- In this case you would not include dom1.ain in
- POSTFIX_STYLE_VIRTUAL_DOMAINS because otherwise Mailman will write
- entries for mailing lists in the dom1.ain domain as
-
- mylist@dom1.ain mylist
- mylist-request@dom1.ain mylist-request
- # and so on...
-
- The more specific entries trump your more general entries, thus
- breaking the delivery of any dom1.ain mailing list.
-
- However, you would include dom2.ain and dom3.ain in mm_cfg.py:
-
- POSTFIX_STYLE_VIRTUAL_DOMAINS = ['dom2.ain', 'dom3.ain']
-
- Now, any list that Mailman creates in either of those two domains,
- will have the correct entries written to
- /usr/local/mailman/data/virtual-mailman.
-
- As above with the data/aliases* files, you want to make sure that both
- data/virtual-mailman and data/virtual-mailman.db are user and group
- owned by mailman.
-
- 6.1.3 An alternative approach
-
- Fil fil@rezo.net has an alternative approach based on virtual maps and
- regular expressions, as described at:
-
- * (French) http://listes.rezo.net/comment.php
- * (English) http://listes.rezo.net/how.php
-
- This is a good (and simpler) alternative if you don't mind exposing an
- additional hostname in the domain part of the addresses people will
- use to contact your list. I.e. if people should use
- mylist@lists.dom.ain instead of mylist@dom.ain.
-
-6.2 Using the Exim mail server
-
- Note: This section is derived from Nigel Metheringham's ``HOWTO -
- Using Exim and Mailman together'', which covers Mailman 2.0.x and Exim
- 3. It has been updated to cover Mailman 2.1 and Exim 4. The original
- document is here: http://www.exim.org/howto/mailman.html.
-
- There is no Mailman configuration needed other than the standard
- options detailed in the Mailman install documentation. The Exim
- configuration is transparent to Mailman. The user and group settings
- for Mailman must match those in the config fragments given below.
-
- 6.2.1 Exim configuration
-
- The Exim configuration is built so that a list created within Mailman
- automatically appears to Exim without the need for defining any
- additional aliases.
-
- The drawback of this configuration is that it will work poorly on
- systems supporting lists in several different mail domains. While
- Mailman handles virtual domains, it does not yet support having two
- distinct lists with the same name in different virtual domains, using
- the same Mailman installation. This will eventually change. (But see
- below for a variation on this scheme that should accommodate virtual
- domains better.)
-
- The configuration file excerpts below are for use in an already
- functional Exim configuration, which accepts mail for the domain in
- which the list resides. If this domain is separate from the others
- handled by your Exim configuration, then you'll need to:
-
- * add the list domain, ``my.list.domain'' to local_domains
- * add a ``domains=my.list.domain'' option to the director (router)
- for the list
- * (optional) exclude that domain from your other directors (routers)
-
- Note: The instructions in this document should work with either Exim 3
- or Exim 4. In Exim 3, you must have a local_domains configuration
- setting; in Exim 4, you most likely have a local_domains domainlist.
- If you don't, you probably know what you're doing and can adjust
- accordingly. Similarly, in Exim 4 the concept of ``directors'' has
- disappeared - there are only routers now. So if you're using Exim 4,
- whenever this document says ``director'', read ``router''.
-
- Whether you are using Exim 3 or Exim 4, you will need to add some
- macros to the main section of your Exim config file. You will also
- need to define one new transport. With Exim 3, you'll need to add a
- new director; with Exim 4, a new router plays the same role.
-
- Finally, the configuration supplied here should allow co-habiting
- Mailman 2.0 and 2.1 installations, with the proviso that you'll
- probably want to use mm21 in place of mailman - e.g., MM21_HOME,
- mm21_transport, etc.
-
- 6.2.2 Main configuration settings
-
- First, you need to add some macros to the top of your Exim config
- file. These just make the director (router) and transport below a bit
- cleaner. Obviously, you'll need to edit these based on how you
- configured and installed Mailman.
-
- # Home dir for your Mailman installation -- aka Mailman's prefix
- # directory.
- MAILMAN_HOME=/usr/local/mailman
- MAILMAN_WRAP=MAILMAN_HOME/mail/mailman
-
- # User and group for Mailman, should match your --with-mail-gid
- # switch to Mailman's configure script.
- MAILMAN_USER=mailman
- MAILMAN_GROUP=mailman
-
- 6.2.3 Transport for Exim 3
-
- Add this to the transports section of your Exim config file, i.e.
- somewhere between the first and second ``end'' line:
-
- mailman_transport:
- driver = pipe
- command = MAILMAN_WRAP \
- '${if def:local_part_suffix \
- {${sg{$local_part_suffix}{-(\\w+)(\\+.*)?}{\$1}}} \
- {post}}' \
- $local_part
- current_directory = MAILMAN_HOME
- home_directory = MAILMAN_HOME
- user = MAILMAN_USER
- group = MAILMAN_GROUP
-
- 6.2.4 Director for Exim 3
-
- If you're using Exim 3, you'll need to add the following director to
- your config file (directors go between the second and third ``end''
- lines). Also, don't forget that order matters - e.g. you can make
- Mailman lists take precedence over system aliases by putting this
- director in front of your aliasfile director, or vice-versa.
-
- # Handle all addresses related to a list 'foo': the posting address.
- # Automatically detects list existence by looking
- # for lists/$local_part/config.pck under MAILMAN_HOME.
- mailman_director:
- driver = smartuser
- require_files = MAILMAN_HOME/lists/$local_part/config.pck
- suffix_optional
- suffix = -bounces : -bounces+* : \
- -confirm+* : -join : -leave : \
- -owner : -request : -admin
- transport = mailman_transport
-
- 6.2.5 Router for Exim 4
-
- In Exim 4, there's no such thing as directors - you need to add a new
- router instead. Also, the canonical order of the configuration file
- was changed so routers come before transports, so the router for Exim
- 4 comes first here. Put this router somewhere after the ``begin
- routers'' line of your config file, and remember that order matters.
-
- mailman_router:
- driver = accept
- require_files = MAILMAN_HOME/lists/$local_part/config.pck
- local_part_suffix_optional
- local_part_suffix = -bounces : -bounces+* : \
- -confirm+* : -join : -leave : \
- -owner : -request : -admin
- transport = mailman_transport
-
- 6.2.6 Transports for Exim 4
-
- The transport for Exim 4 is the same as for Exim 3 (see 6.2; just copy
- the transport given above to somewhere under the ``begin transports''
- line of your Exim config file.
-
- 6.2.7 Additional notes
-
- Exim should be configured to allow reasonable volume - e.g. don't set
- max_recipients down to a silly value - and with normal degrees of
- security - specifically, be sure to allow relaying from 127.0.0.1, but
- pretty much nothing else. Parallel deliveries and other tweaks can
- also be used if you like; experiment with your setup to see what
- works. Delay warning messages should be switched off or configured to
- only happen for non-list mail, unless you like receiving tons of mail
- when some random host is down.
-
- 6.2.8 Problems
-
- * Mailman will send as many MAIL FROM/RCPT TO as it needs. It may
- result in more than 10 or 100 messages sent in one connection,
- which will exceed the default value of Exim's
- smtp_accept_queue_per_connection value. This is bad because it
- will cause Exim to switch into queue mode and severely delay
- delivery of your list messages. The way to fix this is to set
- Mailman's SMTP_MAX_SESSIONS_PER_CONNECTION (in
- $prefix/Mailman/mm_cfg.py) to a smaller value than Exim's
- smtp_accept_queue_per_connection.
- * Mailman should ignore Exim delay warning messages, even though
- Exim should never send this to list messages. Mailman 2.1's
- general bounce detection and VERP support should greatly improve
- the bounce detector's hit rates.
- * List existence is determined by the existence of a config.pck file
- for a list. If you delete lists by foul means, be aware of this.
- * If you are getting Exim or Mailman complaining about user ids when
- you send mail to a list, check that the MAILMAN_USER and
- MAILMAN_GROUP match those of Mailman itself (i.e. what were used
- in the configure script). Also make sure you do not have aliases
- in the main alias file for the list.
-
- 6.2.9 Receiver Verification
-
- Exim's receiver verification feature is very useful - it lets Exim
- reject unrouteable addresses at SMTP time. However, this is most
- useful for externally-originating mail that is addressed to mail in
- one of your local domains. For Mailman list traffic, mail originates
- on your server, and is addressed to random external domains that are
- not under your control. Furthermore, each message is addressed to many
- recipients - up to 500 if you use Mailman's default configuration and
- don't tweak SMTP_MAX_RCPTS.
-
- Doing receiver verification on Mailman list traffic is a recipe for
- trouble. In particular, Exim will attempt to route every recipient
- addresses in outgoing Mailman list posts. Even though this requires
- nothing more than a few DNS lookups for each address, it can still
- introduce significant delays. Therefore, you should disable recipient
- verification for Mailman traffic.
-
- Under Exim 3, put this in your main configuration section:
-
- receiver_verify_hosts = !127.0.0.1
-
- Under Exim 4, this is probably already taken care of for you by the
- default recipient verification ACL statement (in the RCPT TO ACL):
-
- accept domains = +local_domains
- endpass
- message = unknown user
- verify = recipient
-
- which only does recipient verification on addresses in your domain.
- (That's not exactly the same as doing recipient verification only on
- messages coming from non-127.0.0.1 hosts, but it should do the trick
- for Mailman.)
-
- 6.2.10 SMTP Callback
-
- Exim's SMTP callback feature is an even more powerful way to detect
- bogus sender addresses than normal sender verification. Unfortunately,
- lots of servers send bounce messages with a bogus address in the
- header, and there are plenty that send bounces with bogus envelope
- senders (even though they're supposed to just use an empty envelope
- sender for bounces).
-
- In order to ensure that Mailman can disable/remove bouncing addresses,
- you generally want to receive bounces for Mailman lists, even if those
- bounces are themselves not bounceable. Thus, you might want to disable
- SMTP callback on bounce messages.
-
- With Exim 4, you can accomplish this using something like the
- following in your RCPT TO ACL:
-
- # Accept bounces to lists even if callbacks or other checks would fail
- warn message = X-WhitelistedRCPT-nohdrfromcallback: Yes
- condition = \
- ${if and {{match{$local_part}{(.*)-bounces\+.*}} \
- {exists {MAILMAN_HOME/lists/$1/config.pck}}} \
- {yes}{no}}
- {yes}{no}}
-
- accept condition = \
- ${if and {{match{$local_part}{(.*)-bounces\+.*}} \
- {exists {MAILMAN_HOME/lists/$1/config.pck}}} \
- {yes}{no}}
- {yes}{no}}
-
- # Now, check sender address with SMTP callback.
- deny !verify = sender/callout=90s
-
- If you also do SMTP callbacks on header addresses, you'll want
- something like this in your DATA ACL:
-
- deny !condition = $header_X-WhitelistedRCPT-nohdrfromcallback:
- !verify = header_sender/callout=90s
-
- 6.2.11 Doing VERP with Exim and Mailman
-
- VERP will send one email, with a separate envelope sender (return
- path), for each of your subscribers - read the information in
- $prefix/Mailman/Defaults.py for the options that start with VERP. In a
- nutshell, all you need to do to enable VERP with Exim is to add these
- lines to $prefix/Mailman/mm_cfg.py:
-
- VERP_PASSWORD_REMINDERS = Yes
- VERP_PERSONALIZED_DELIVERIES = Yes
- VERP_DELIVERY_INTERVAL = Yes
- VERP_CONFIRMATIONS = Yes
-
- (The director (router) above is smart enough to deal with VERP
- bounces.)
-
- 6.2.12 Virtual Domains
-
- One approach to handling virtual domains is to use a separate Mailman
- installation for each virtual domain. Currently, this is the only way
- to have lists with the same name in different virtual domains handled
- by the same machine.
-
- In this case, the MAILMAN_HOME and MAILMAN_WRAP macros are useless -
- you can remove them. Change your director (router) to something like
- this:
-
- require_files = /virtual/${domain}/mailman/lists/${lc:$local_part}/config.pck
-
- and change your transport like this:
-
- command = /virtual/${domain}/mailman/mail/mailman \
- ${if def:local_part_suffix \
- {${sg{$local_part_suffix}{-(\\w+)(\\+.*)?}{\$1}}}
- {post}} \
- $local_part
- current_directory = /virtual/${domain}/mailman
- home_directory = /virtual/${domain}/mailman
-
- 6.2.13 List Verification
-
- This is how a set of address tests for the Exim lists look on a
- working system. The list in question is
- quixote-users@mems-exchange.org, and these commands were run on the
- mems-exchange.org mail server ("% " indicates the Unix shell prompt):
-
- % exim -bt quixote-users
- quixote-users@mems-exchange.org
- router = mailman_main_router, transport = mailman_transport
-
- % exim -bt quixote-users-request
- quixote-users-request@mems-exchange.org
- router = mailman_router, transport = mailman_transport
-
- % exim -bt quixote-users-bounces
- quixote-users-bounces@mems-exchange.org
- router = mailman_router, transport = mailman_transport
-
- % exim -bt quixote-users-bounces+luser=example.com
- quixote-users-bounces+luser=example.com@mems-exchange.org
- router = mailman_router, transport = mailman_transport
-
- If your exim -bt output looks something like this, that's a start: at
- least it means Exim will pass the right messages to the right Mailman
- commands. It by no means guarantees that your Exim/Mailman
- installation is functioning perfectly, though!
-
- 6.2.14 Document History
-
- Originally written by Nigel Metheringham postmaster@exim.org. Updated
- by Marc Merlin marc_soft@merlins.org for Mailman 2.1, Exim 4.
- Overhauled/reformatted/clarified/simplified by Greg Ward
- gward@python.net.
-
-6.3 Using the Sendmail mail server
-
- Warning: You may be tempted to set the DELIVERY_MODULE configuration
- variable in mm_cfg.py to 'Sendmail' when using the Sendmail mail
- server. Don't. The Sendmail.py module is misnamed - it's really a
- command line based message handoff scheme as opposed to the SMTP
- scheme used in SMTPDirect.py (the default). Sendmail.py has known
- security holes and is provided as a proof-of-concept only4. If you are
- having problems using SMTPDirect.py fix those instead of using
- Sendmail.py, or you may open your system up to security exploits.
-
- 6.3.1 Sendmail ``smrsh'' compatibility
-
- Many newer versions of Sendmail come with a restricted execution
- utility called ``smrsh'', which limits the executables that Sendmail
- will allow to be used as mail programs. You need to explicitly allow
- Mailman's wrapper program to be used with smrsh or Mailman will not
- work. If mail is not getting delivered to Mailman's wrapper program
- and you're getting an ``operating system error'' in your mail syslog,
- this could be your problem.
-
- One good way of enabling this is:
-
- * Find out where your Sendmail executes its smrsh wrapper
- % grep smrsh /etc/mail/sendmail.cf
-
- * Figure out where smrsh expects symlinks for allowable mail
- programs. At the very beginning of the following output you will
- see a full path to some directory, e.g. /var/adm/sm.bin or
- similar:
- % strings $path_to_smrsh | less
-
- * cd into /var/adm/sm.bin, or where ever it happens to reside on
- your system - alternatives include /etc/smrsh, /var/smrsh and
- /usr/local/smrsh.
- % cd /var/adm/sm.bin
-
- * Create a symbolic link to Mailman's wrapper program:
- % ln -s /usr/local/mailman/mail/mailman mailman
-
- 6.3.2 Integrating Sendmail and Mailman
-
- David Champion has contributed a recipe for more closely integrating
- Sendmail and Mailman, such that Sendmail will automatically recognize
- and deliver to new mailing lists as they are created, without having
- to manually edit alias tables.
-
- In the contrib directory of Mailman's source distribution, you will
- find four files:
-
- * mm-handler.readme - an explanation of how to set everything up
- * mm-handler - the mail delivery agent (MDA)
- * mailman.mc - a toy configuration file sample
- * virtusertable - a sample for RFC 2142 address exceptions
-
- 6.3.3 Performance notes
-
- One of the surest performance killers for Sendmail users is when
- Sendmail is configured to synchronously verify the recipient's host
- via DNS. If it does this for messages posted to it from Mailman, you
- will get horrible performance. Since Mailman usually connects via
- localhost (i.e. 127.0.0.1) to the SMTP port of Sendmail, you should be
- sure to configure Sendmail to not do DNS verification synchronously
- for localhost connections.
-
-6.4 Using the Qmail mail server
-
- There are some issues that users of the qmail mail transport agent
- have encountered. None of the core maintainers use qmail, so all of
- this information has been contributed by the Mailman user community,
- especially Martin Preishuber and Christian Tismer, with notes by
- Balazs Nagy (BN) and Norbert Bollow (NB).
-
- * You might need to set the mail-gid user to either qmail, mailman,
- or nofiles by using the --with-mail-gid configure option.
- BN: it highly depends on your mail storing policy. For example if
- you use the simple ~alias/.qmail-* files, you can use `id -g
- alias`. But if you use /var/qmail/users, the specified mail gid
- can be used.
- If you are going to be directing virtual domains directly to the
- mailman user (using ``virtualdomains'' on a list-only domain, for
- example), you will have to use --with-mail-gid=gid of mailman
- user's group. This is incompatible with having list aliases in
- ~alias, unless that alias simply forwards to mailman-listname*.
- * If there is a user mailman on your system, the alias mailman-owner
- will work only in ~mailman. You have to do a touch .qmail-owner in
- ~mailman directory to create this alias.
- NB: An alternative, IMHO better solution is to chown root
- ~mailman, that will stop qmail from considering mailman to be a
- user to whom mail can be delivered. (See ``man 8 qmail-getpw''.)
- * In a related issue, if you have any users with the same name as
- one of your mailing lists, you will have problems if list names
- contain "-" in them. Putting .qmail redirections into the user's
- home directory doesn't work because the Mailman wrappers will not
- get spawned with the proper GID. The solution is to put the
- following lines in the /var/qmail/users/assign file:
- +zope-:alias:112:11:/var/qmail/alias:-:zope-:
- .
- where in this case the listname is e.g. zope-users.
- NB: Alternatively, you could host the lists on a virtual domain,
- and use the /var/qmail/control/virtualdomains file to put the
- mailman user in charge of this virtual domain.
- * BN:If inbound messages are delivered by another user than mailman,
- it's necessary to allow it to access ~mailman. Be sure that
- ~mailman has group writing access and setgid bit is set. Then put
- the delivering user to mailman group, and you can deny access to
- ~mailman to others. Be sure that you can do the same with the WWW
- service.
- By the way the best thing is to make a virtual mail server to
- handle all of the mail. NB: E.g. make an additional "A" DNS record
- for the virtual mailserver pointing to your IP address, add the
- line lists.kva.hu:mailman to /var/qmail/control/virtualdomains and
- a lists.kva.hu line to /var/qmail/control/rcpthosts file. Don't
- forget to HUP the qmail-send after modifying ``virtualdomains''.
- Then every mail to lists.kva.hu will arrive to mail.kva.hu's
- mailman user.
- Then make your aliases:
- .qmail => mailman@...'s letters
- .qmail-owner => mailman-owner's letters
- For list aliases, you can either create them manually:
- .qmail-list => posts to the 'list' list
- .qmail-list-admin => posts to the 'list's owner
- .qmail-list-request => requests to 'list'
- etc
- or for automatic list alias handling (when using the lists.kva.hu
- virtual as above), see contrib/qmail-to-mailman.py in the Mailman
- source distribution. Modify the ~mailman/.qmail-default to
- include:
- |preline /path/to/python /path/to/qmail-to-mailman.py
- and new lists will automatically be picked up.
- * You have to make sure that the localhost can relay. If you start
- qmail via inetd and tcpenv, you need some line the following in
- your /etc/hosts.allow file:
- tcp-env: 127. 10.205.200. : setenv RELAYCLIENT
- where 10.205.200. is your IP address block. If you use tcpserver,
- then you need something like the following in your /etc/tcp.smtp
- file:
- 10.205.200.:allow,RELAYCLIENT=""
- 127.:allow,RELAYCLIENT=""
- * BN: Bigger /var/qmail/control/concurrencyremote values work better
- sending outbound messages, within reason. Unless you know your
- system can handle it (many if not most cannot) this should not be
- set to a value greater than 120.
- * More information about setting up qmail and relaying can be found
- in the qmail documentation.
-
- BN: Last but not least, here's a little script to generate aliases to
- your lists (if for some reason you can/will not have them
- automatically picked up using contrib/qmail-to-mailman.py):
-
- This script is for the Mailman 2.0 series:
-
-#!/bin/sh
-if [ $# = 1 ]; then
- i=$1
- echo Making links to $i in the current directory...
- echo "|preline /home/mailman/mail/mailman post $i" > .qmail-$i
- echo "|preline /home/mailman/mail/mailman mailowner $i" > .qmail-$i-admin
- echo "|preline /home/mailman/mail/mailman mailowner $i" > .qmail-$i-owner
- echo "|preline /home/mailman/mail/mailman mailowner $i" > .qmail-owner-$i
- echo "|preline /home/mailman/mail/mailman mailcmd $i" > .qmail-$i-request
-fi
-
- Note: This is for a new Mailman 2.1 installation. Users upgrading from
- Mailman 2.0 would most likely change /usr/local/mailman to
- /home/mailman. If in doubt, refer to the --prefix option passed to
- configure during compile time.
-
-#!/bin/sh
-if [ $# = 1 ]; then
- i=$1
- echo Making links to $i in the current directory...
- echo "|preline /usr/local/mailman/mail/mailman post $i" > .qmail-$i
- echo "|preline /usr/local/mailman/mail/mailman admin $i" > .qmail-$i-admin
- echo "|preline /usr/local/mailman/mail/mailman bounces $i" > .qmail-$i-boun
-ces
- # The following line is for VERP
- # echo "|preline /usr/local/mailman/mail/mailman bounces $i" > .qmail-$i-bo
-unces-default
- echo "|preline /usr/local/mailman/mail/mailman confirm $i" > .qmail-$i-conf
-irm
- echo "|preline /usr/local/mailman/mail/mailman join $i" > .qmail-$i-join
- echo "|preline /usr/local/mailman/mail/mailman leave $i" > .qmail-$i-leave
- echo "|preline /usr/local/mailman/mail/mailman owner $i" > .qmail-$i-owner
- echo "|preline /usr/local/mailman/mail/mailman request $i" > .qmail-$i-requ
-est
- echo "|preline /usr/local/mailman/mail/mailman subscribe $i" > .qmail-$i-su
-bscribe
- echo "|preline /usr/local/mailman/mail/mailman unsubscribe $i" > .qmail-$i-
-unsubscribe
-fi
-
- 6.4.1 Information on VERP
-
- You will note in the alias generating script for 2.1 above, there is a
- line for VERP that has been commented out. If you are interested in
- VERP there are two options. The first option is to allow Mailman to do
- the VERP formatting. To activate this, uncomment that line and add the
- following lines to your mm_cfg.py file:
-
- VERP_FORMAT = '%(bounces)s-+%(mailbox)s=%(host)s'
- VERP_REGEXP = r'^(?P<bounces>.*?)-\+(?P<mailbox>[^=]+)=(?P<host>[^@]+)@.*$'
-
- The second option is a patch on SourceForge located at:
-
- http://sourceforge.net/tracker/?func=detail&atid=300103&aid=645513&gro
- up_id=103
-
- This patch currently needs more testing and might best be suitable for
- developers or people well familiar with qmail. Having said that, this
- patch is the more qmail-friendly approach resulting in large
- performance gains.
-
- 6.4.2 Virtual mail server
-
- As mentioned in the 6.4 section for a virtual mail server, a patch
- under testing is located at:
-
- http://sf.net/tracker/index.php?func=detail&aid=621257&group_id=103&at
- id=300103
-
- Again, this patch is for people familiar with their qmail
- installation.
-
- 6.4.3 More information
-
- You might be interested in some information on modifying footers that
- Norbert Bollow has written about Mailman and qmail, available here:
-
- http://mailman.cis.to/qmail-verh/
-
- 7 Review your site defaults
-
- Mailman has a large number of site-wide configuration options which
- you should now review and change according to your needs. Some of the
- options control how Mailman interacts with your environment, and other
- options select defaults for newly created lists5. There are system
- tuning parameters and integration options.
-
- The full set of site-wide defaults lives in the
- $prefix/Mailman/Defaults.py file, however you should never modify this
- file! Instead, change the mm_cfg.py file in that same directory. You
- only need to add values to mm_cfg.py that are different than the
- defaults in Defaults.py, and future Mailman upgrades are guaranteed
- never to touch your mm_cfg.py file.
-
- The Defaults.py file is documented extensively, so the options are not
- described here. The Defaults.py and mm_cfg.py are both Python files so
- valid Python syntax must be maintained or your Mailman installation
- will break.
-
- Note: Do not change the HOME_DIR or MAILMAN_DIR variables. These are
- set automatically by the configure script, and you will break your
- Mailman installation by if you change these.
-
- You should make any changes to mm_cfg.py using the account you
- installed Mailman under in the 14 section.
-
- 8 Create a site-wide mailing list
-
- After you have completed the integration of Mailman and your mail
- server, you need to create a ``site-wide'' mailing list. This is the
- one that password reminders will appear to come from, and it is
- required for proper Mailman operation. Usually this should be a list
- called mailman, but if you need to change this, be sure to change the
- MAILMAN_SITE_LIST variable in mm_cfg.py. You can create the site list
- with this command, following the prompts:
-
- % bin/newlist mailman
-
- Now configure your site list. There is a convenient template for a
- generic site list in the installation directory, under
- data/sitelist.cfg which can help you with this. You should review the
- configuration options in the template, but note that any options not
- named in the sitelist.cfg file won't be changed.
-
- The template can be applied to your site list by running:
-
- % bin/config_list -i data/sitelist.cfg mailman
-
- After applying the sitelist.cfg options, be sure you review the site
- list's configuration via the admin pages.
-
- You should also subscribe yourself to the site list.
-
- 9 Set up cron
-
- Several Mailman features occur on a regular schedule, so you must set
- up cron to run the right programs at the right time^6.
-
- If your version of crontab supports the -u option, you must be root to
- do this next step. Add $prefix/cron/crontab.in as a crontab entry by
- executing these commands:
-
- % cd $prefix/cron
- % crontab -u mailman crontab.in
-
- If you used the --with-username option, use that user name instead of
- mailman for the -u argument value. If your crontab does not support
- the -u option, try these commands:
-
- % cd $prefix/cron
- % su - mailman
- % crontab crontab.in
-
- 10 Start the Mailman qrunner
-
- Mailman depends on a process called the ``qrunner'' to delivery all
- email messages it sees. You must start the qrunner by executing the
- following command from the $prefix directory:
-
- % bin/mailmanctl start
-
- You probably want to start Mailman every time you reboot your system.
- Exactly how to do this depends on your operating system. If your OS
- supports the chkconfig command (e.g. RedHat and Mandrake Linuxes) you
- can do the following (as root, from the Mailman install directory):
-
- % cp scripts/mailman /etc/init.d/mailman
- % chkconfig --add mailman
-
- Note that /etc/init.d may be /etc/rc.d/init.d on some systems.
-
- On Gentoo Linux, you can do the following:
-
- % cp scripts/mailman /etc/init.d/mailman
- % rc-update add mailman default
-
- On Debian, you probably want to use:
-
- % update-rc.d mailman defaults
-
- For Unixes that don't support chkconfig, you might try the following
- set of commands:
-
- % cp scripts/mailman /etc/init.d/mailman
- % cp misc/mailman /etc/init.d
- % cd /etc/rc.d/rc0.d
- % ln -s ../init.d/mailman K12mailman
- % cd ../rc1.d
- % ln -s ../init.d/mailman K12mailman
- % cd ../rc2.d
- % ln -s ../init.d/mailman S98mailman
- % cd ../rc3.d
- % ln -s ../init.d/mailman S98mailman
- % cd ../rc4.d
- % ln -s ../init.d/mailman S98mailman
- % cd ../rc5.d
- % ln -s ../init.d/mailman S98mailman
- % cd ../rc6.d
- % ln -s ../init.d/mailman K12mailman
-
- 11 Check the hostname settings
-
- You should check the values for DEFAULT_EMAIL_HOST and
- DEFAULT_URL_HOST in Defaults.py. Make any necessary changes in the
- mm_cfg.py file, not in the Defaults.py file. If you change either of
- these two values, you'll want to add the following afterwards in the
- mm_cfg.py file:
-
- add_virtualhost(DEFAULT_URL_HOST, DEFAULT_EMAIL_HOST)
-
- You will want to run the bin/fix_url.py to change the domain of any
- existing lists.
-
- 12 Create the site password
-
- There are two site-wide passwords that you can create from the command
- line, using the bin/mmsitepass script. The first is the ``site
- password'' which can be used anywhere a password is required in the
- system. The site password will get you into the administration page
- for any list, and it can be used to log in as any user. Think root for
- a Unix system, so pick this password wisely!
-
- The second password is a site-wide ``list creator'' password. You can
- use this to delegate the ability to create new mailing lists without
- providing all the privileges of the site password. Of course, the
- owner of the site password can also create new mailing lists, but the
- list creator password is limited to just that special role.
-
- To set the site password, use this command:
-
- % $prefix/bin/mmsitepass <your-site-password>
-
- To set the list creator password, use this command:
-
- % $prefix/bin/mmsitepass -c <list-creator-password>
-
- It is okay not to set a list creator password, but you probably do
- want a site password.
-
- 13 Create your first mailing list
-
- For more detailed information about using Mailman, including creating
- and configuring mailing lists, see the Mailman List Adminstration
- Manual. These instructions provide a quick guide to creating your
- first mailing list via the web interface:
-
- * Start by visiting the url http://my.dom.ain/mailman/create.
- * Fill out the form as described in the on-screen instructions, and
- in the ``List creator's password'' field, type the password you
- entered in section 7. Type your own email address for the
- ``Initial list owner address'', and select ``Yes'' to notify the
- list administrator.
- * Click on the ``Create List'' button.
- * Check your email for a message from Mailman informing you that
- your new mailing list was created.
- * Now visit the list's administration page, either by following the
- link on the confirmation web page or clicking on the link from the
- email Mailman just sent you. Typically the url will be something
- like http://my.dom.ain/mailman/admin/mylist.
- * Type in the list's password and click on ``Let me in...''
- * Click on ``Membership Management'' and then on ``Mass
- Subscription''.
- * Enter your email address in the big text field, and click on
- ``Submit Your Changes''.
- * Now go to your email and send a message to mylist@my.dom.ain.
- Within a minute or two you should see your message reflected back
- to you via Mailman.
-
- Congratulations! You've just set up and tested your first Mailman
- mailing list. If you had any problems along the way, please see the 14
- section.
-
- 14 Troubleshooting
-
- If you encounter problems with running Mailman, first check the
- question and answer section below. If your problem is not covered
- there, check the online help, including the FAQ and the interactive
- FAQ wizard.
-
- Also check for errors in your syslog files, your mail and web server
- log files and in Mailman's $prefix/logs/error file. If you're still
- having problems, you should send a message to the
- mailman-users@python.org mailing list7; see
- http://mail.python.org/mailman/listinfo/mailman-users for more
- information.
-
- Be sure to including information on your operating system, which
- version of Python you're using, and which version of Mailman you're
- installing.
-
- Here is a list of some common questions and answers:
-
- * Problem: All Mailman web pages give a 404 File not found error.
- Solution: Your web server has not been set up properly for
- handling Mailman's CGI programs. Make sure you have:
- 1. configured the web server to give permissions to
- $prefix/cgi-bin
- 2. restarted the web server properly.
- Consult your web server's documentation for instructions on how to
- do check these issues.
- * Problem: All Mailman web pages give an "Internal Server Error".
- Solution: The likely problem is that you are using the wrong user
- or group for the CGI scripts. Check your web server's log files.
- If you see a line like
- Attempt to exec script with invalid gid 51, expected 99
- you will need to reinstall Mailman, specifying the proper CGI
- group id, as described in the section.
- * Problem: I send mail to the list, and get back mail saying the
- list is not found!
- Solution: You probably didn't add the necessary aliases to the
- system alias database, or you didn't properly integrate Mailman
- with your mail server. Perhaps you didn't update the alias
- database, or your system requires you to run newaliases
- explicitly. Refer to your server specific instructions in the 6
- section.
- * Problem: I send mail to the list, and get back mail saying,
- ``unknown mailer error''.
- Solution: The likely problem is that you are using the wrong user
- or group id for the mail wrappers. Check your mail server's log
- files; if you see a line like
- Attempt to exec script with invalid gid 51, expected 99
- you will need to reinstall Mailman, specifying the proper mail
- group id as described in the section.
- * Problem: I use Postfix as my mail server and the mail wrapper
- programs are logging complaints about the wrong GID.
- Solution: Make sure the $prefix/data/aliases.db file is user owned
- by mailman (or whatever user name you used in the configure
- command). If this file is not user owned by mailman, Postfix will
- not run the mail programs as the correct user.
- * Problem: I use Sendmail as my mail server, and when I send mail to
- the list, I get back mail saying, ``sh: mailman not available for
- sendmail programs''.
- Solution: Your system uses the Sendmail restricted shell (smrsh).
- You need to configure smrsh by creating a symbolic link from the
- mail wrapper ($prefix/mail/mailman) to the directory identifying
- executables allowed to run under smrsh.
- Some common names for this directory are /var/admin/sm.bin,
- /usr/admin/sm.bin or /etc/smrsh.
- Note that on Debian Linux, the system makes /usr/lib/sm.bin, which
- is wrong, you will need to create the directory /usr/admin/sm.bin
- and add the link there. Note further any aliases newaliases spits
- out will need to be adjusted to point to the secure link to the
- wrapper.
- * Problem: I messed up when I called configure. How do I clean
- things up and re-install?
- Solution:
- % make clean
- % ./configure --with-the-right-options
- % make install
-
- 15 Platform and operating system notes
-
- Generally, Mailman runs on any POSIX-based system, such as Solaris,
- the various BSD variants, Linux systems, MacOSX, and other generic
- Unix systems. It doesn't run on Windows. For the most part, the
- generic instructions given in this document should be sufficient to
- get Mailman working on any supported platform. Some operating systems
- have additional recommended installation or configuration
- instructions.
-
-15.1 GNU/Linux issues
-
- Linux seems to be the most popular platform for running Mailman. Here
- are some hints on getting Mailman to run on Linux:
-
- * If you are getting errors with hard link creations and/or you are
- using a special secure kernel (securelinux/openwall/grsecurity),
- see the file contrib/README.check_perms_grsecurity in the Mailman
- source distribution.
- Note that if you are using Linux Mandrake in secure mode, you are
- probably concerned by this.
- * Apparently Mandrake 9.0 changed the permissions on gcc, so if you
- build as the mailman user, you need to be sure mailman is in the
- cctools group.
- * If you installed Python from your Linux distribution's package
- manager (e.g. .rpms for Redhat-derived systems or .deb for
- Debian), you must install the ``development'' package of Python,
- or you may not get everything you need.
- For example, using Python 2.2 on Debian, you will need to install
- the python2.2-dev package. On Redhat, you probably need the
- python2-devel package.
- If you install Python from source, you should be fine.
- One symptom of this problem, although for unknown reasons, is that
- you might get an error such as this during your install:
- Traceback (most recent call last):
- File "bin/update", line 44, in ?
- import paths
- ImportError: No module named paths
- make: *** [update] Error 1
- If this happens, install the Python development package and try
- configure and make install again. Or install the latest version of
- Python from source, available from http://www.python.org.
- This problem can manifest itself in other Linux distributions in
- different ways, although usually it appears as ImportErrors.
-
-15.2 BSD issues
-
- Vivek Khera writes that some BSDs do nightly security scans for setuid
- file changes. setgid directories also come up on the scan when they
- change. Also, the setgid bit is not necessary on BSD systems because
- group ownership is automatically inherited on files created in
- directories. On other Unixes, this only happens when the directory has
- the setgid bit turned on.
-
- To install without turning on the setgid bit on directories, simply
- pass in the DIRSETGID variable to make, after you've run configure:
-
- % make DIRSETGID=: install
-
- This disables the chmod g+s command on installed directories.
-
-15.3 MacOSX issues
-
- Many people run Mailman on MacOSX. Here are some pointers that have
- been collected on getting Mailman to run on MacOSX.
-
- * Jaguar (MacOSX 10.2) comes with Python 2.2. While this isn't the
- very latest stable version of Python, it ought to be sufficient to
- run Mailman 2.1.
- * David B. O'Donnell has a web page describing his configuration of
- Mailman 2.0.13 and Postfix on MacOSX Server.
- http://www.afp548.com/Articles/mail/python-mailman.html
- * Kathleen Webb posted her experiences in getting Mailman running on
- Jaguar using Sendmail.
- http://mail.python.org/pipermail/mailman-users/2002-October/022944
- .html
- * Panther server (MacOSX 10.3) comes with Mailman; Your operating
- system should contain documentation that will help you, and Apple
- has a tech document about a problem you might encounter running
- Mailman on Mac OS X Server 10.3:
- http://docs.info.apple.com/article.html?artnum=107889
-
- Terry Allen provides the following detailed instructions on running
- Mailman on the 'client' version of OSX, or in earlier versions of OSX:
-
- Mac OSX 10.3 and onwards has the basics for a successful Mailman
- installation. Users of earlier versions of Mac OSX contains Sendmail
- and those users should look at the Sendmail installation section for
- tips. You should follow the basic installation steps as described
- earlier in this manual, substituting as appropriate, the steps
- outlined in this section.
-
- By default, Mac OSX 10.3 'client' version does not have a fully
- functional version of Postfix. Setting up a working MTA such as
- Postfix is beyond the scope of this guide and you should refer to
- http://www.postfix.org for tips on getting Postfix running. An easy
- way to set Postfix up is to install and run Postfix Enabler, a
- stand-alone tool for configuring Postfix on Mac OSX, available from
- http://www.roadstead.com/weblog/Tutorials/PostfixEnabler.html.
-
- Likewise, Mac OSX 'client' version from 10.1 onwards includes a
- working Apache webserver. This is switched on using the System
- Preferences control panel under the 'Sharing tab'. A useful tool for
- configuring the Apache on Mac OSX is Webmin, which can be obtained
- from http://www.webmin.com.
-
- Webmin can also perform configuration for other system tasks,
- including Postfix, adding jobs to your crontab, adding user and
- groups, plus adding startup and shutdown jobs.
-
- In a stock installation of OSX, the requirement for Mailman is to have
- Python installed. Python is not installed by default, so it is advised
- that you install the developer's tools package, which may have been
- provided with your system. It can also be downloaded from the Apple
- developer site at http://connect.apple.com. Not only is the developer
- tools package an essential requirement for installing Mailman, but it
- will come in handy at a later date should you need other tools. The
- developer's tools are also know by the name XCode tools.
-
- As a minimum, the Python version should be 2.2, but 2.3 is
- recommended.
-
- If you wish to add a user and group using the command line in OSX
- instead of via Webmin or another GUI interface, open your terminal
- application and follow the commands as indicated below - do not type
- the comments following the "#" since they are just notes:
-
-sudo tcsh
-niutil -create / /users/mailman
-niutil -createprop / /users/mailman name mailman
-# Note that xxx is a free user ID number on your system
-niutil -createprop / /users/mailman uid xxx
-niutil -createprop / /users/mailman home /usr/local/mailman
-mkdir -p /usr/local/mailman
-niutil -createprop / /users/mailman shell /bin/tcsh
-passwd mailman
-# To prevent malicious hacking, supply a secure password here
-niutil -create / /groups/mailman
-niutil -createprop / /groups/mailman name mailman
-# Note that xxx is a free group ID number on your system
-niutil -createprop / /groups/mailman gid xxx
-niutil -createprop / /groups/mailman passwd '*'
-niutil -createprop / /groups/mailman users 'mailman'
-chown mailman:mailman /usr/local/mailman
-cd /usr/local/mailman
-chmod a+rx,g+ws .
-exit
-su mailman
-
- For setting up Apache on OSX to handle Mailman, the steps are almost
- identical and the configuration file on a stock Mac OSX Client version
- is stored in the nearly standard location of /etc/httpd/httpd.conf.
-
- The AFP548.com site has a time-saving automated startup item creator
- for Mailman, which can be found at
- http://www.afp548.com/Software/MailmanStartup.tar.gz
-
- To install it, copy it into your /Library/StartupItems directory. As
- the root or superuser, from the terminal, enter the following:
-
-gunzip MailmanStartup.tar.gz
-tar xvf MailmanStartup.tar
-
- It will create the startup item for you so that when you reboot,
- Mailman will start up.
-
- About this document ...
-
- GNU Mailman - Installation Manual, December 13, 2005, Release 2.1
-
- This document was generated using the LaTeX2HTML translator.
-
- LaTeX2HTML is Copyright © 1993, 1994, 1995, 1996, 1997, Nikos Drakos,
- Computer Based Learning Unit, University of Leeds, and Copyright ©
- 1997, 1998, Ross Moore, Mathematics Department, Macquarie University,
- Sydney.
-
- The application of LaTeX2HTML to the Python documentation has been
- heavily tailored by Fred L. Drake, Jr. Original navigation icons were
- contributed by Christopher Petrilli.
- _________________________________________________________________
-
- Footnotes
-
- ... right1
- You will be able to check and repair your permissions after
- installation is complete.
-
- .../usr/local/mailman2
- This is the default for Mailman 2.1. Earlier versions of
- Mailman installed everything under /home/mailman by default.
-
- ... set3
- BSD users should see the 15.2 section for additional
- information.
-
- ... only4
- In fact, in later versions of Mailman, this module is
- explicitly sabotaged. You have to know what you're doing in
- order to re-enable it.
-
- ... lists5
- In general, changing the list defaults described in this
- section will not affect any already created lists. To make
- changes after a list has been created, use the web interface or
- the command line scripts, such as bin/withlist and
- bin/config_list.
-
- ... time^6
- Note that if you're upgrading from a previous version of
- Mailman, you'll want to install the new crontab, but be careful
- if you're running multiple Mailman installations on your site!
- Changing the crontab could mess with other parallel Mailman
- installations.
-
- ... list7
- You must subscribe to this mailing list in order to post to it,
- but the mailing list's archives are publicly visible.
- _________________________________________________________________
-
- Previous Page Up One Level Next Page GNU Mailman - Installation Manual
- _________________________________________________________________
-
- Release 2.1, documentation updated on December 13, 2005.