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authorBarry Warsaw <barry@python.org>2007-12-05 17:23:41 -0500
committerBarry Warsaw <barry@python.org>2007-12-05 17:23:41 -0500
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tree85c90c037ee5b5f992c3b291e66c60cab46d9e73 /doc/mailman-admin/node25.html
parent18f080804e368c63de499b32717d57701aaf8880 (diff)
downloadmailman2-3a258ad5cdd98c5705af6c02ba91993b3d382adc.tar.gz
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Because the admin directory is no longer included, the www directory isn't
either, and that's where the generated docs used to live. So now, make this directory include the generated docs, removing the old IPC7 and LISA-98 directories, and the .tex source files. These latter are moved to the admin repository.
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+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<html>
+<head>
+<link rel="STYLESHEET" href="mailman-admin.css" type='text/css' />
+<link rel="first" href="mailman-admin.html" title='GNU mailman - list Administration Manual' />
+<link rel='contents' href='contents.html' title="Contents" />
+<link rel='last' href='about.html' title='About this document...' />
+<link rel='help' href='about.html' title='About this document...' />
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+<title>2.8 The Bounce Processing Category</title>
+</head>
+<body>
+<div class="navigation">
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+
+<h2><a name="SECTION002280000000000000000">
+2.8 The Bounce Processing Category</a>
+</h2>
+
+<p>
+These policies control the automatic bounce processing system in
+Mailman. Here's an overview of how it works:
+
+<p>
+When a bounce is received, Mailman tries to extract two pieces of
+information from the message: the address of the member the message
+was intended for, and the severity of the problem causing the bounce.
+The severity can be either <em>hard</em> for fatal errors, or
+<em>soft</em> for transient errors. When in doubt, a hard severity is
+used.
+
+<p>
+If no member address can be extracted from the bounce, then the bounce
+message is usually discarded. Every member has a <em>bounce score</em>,
+initialized at zero, and every time we encounter a bounce from a
+member we increment that member's score. Hard bounces increment by 1
+while soft bounces increment by 0.5. We only increment the bounce
+score once per day, so even if we receive ten hard bounces from a
+member per day, their score will increase by only 1 for that day.
+
+<p>
+When a member's bounce score is greater than the <em>bounce score
+threshold</em> (see below), the member's subscription is disabled. Once
+disabled, the member will not receive any postings from the list until
+their membership is explicitly re-enabled, either by the list
+administrator or the user. However, they will receive occasional
+reminders that their membership has been disabled, and these reminders
+will include information about how to re-enable their membership. You
+can control both the number of reminders the member will receive and
+the frequency with which these reminders are sent.
+
+<p>
+There is one other important configuration variable; after a certain
+period of time - during which no bounces from the member are received
+- the bounce information is considered stale and discarded. Thus by
+adjusting this value, and the score threshold, you can control how
+quickly bouncing members are disabled. You should tune both of these
+to the frequency and traffic volume of your list.
+
+<p>
+<dl>
+<dt><strong>bounce_processing</strong></dt>
+<dd>Specifies whether or not this list should do automatic bounce
+ processing.
+
+<p>
+</dd>
+<dt><strong>bounce_score_threshold</strong></dt>
+<dd>This is the bounce score above which a member's subscription will
+ be automatically disabled. When the subscription is re-enabled,
+ their bounce score will be reset to zero. This value can be a
+ floating point number.
+
+<p>
+</dd>
+<dt><strong>bounce_info_stale_after</strong></dt>
+<dd>Thenumber of days after which a member's bounce information is
+ considered stale. If no new bounces have been received in the
+ interrim, the bounce score is reset to zero. This value must be
+ an integer.
+
+<p>
+</dd>
+<dt><strong>bounce_you_are_disabled_warnings</strong></dt>
+<dd>The number of notices a disabled member will receive before their
+ address is removed from the mailing list's roster. Set this to 0
+ to immediately remove an address from the list once their bounce
+ score exceeds the threshold. This value must be an integer.
+
+<p>
+</dd>
+<dt><strong>bounce_you_are_disabled_warnings_interval</strong></dt>
+<dd>The number of days between each disabled notification.
+
+<p>
+</dd>
+<dt><strong>bounce_unrecognized_goes_to_list_owner</strong></dt>
+<dd>This variable controls whether unrecognized bounces are discarded,
+ or forwarded on the list administrator. The bounce detector isn't
+ perfect, although personalization can make it much more accurate.
+ The list owner may want to receive unrecognized bounces so that
+ they can manually disable or remove such members.
+
+<p>
+</dd>
+<dt><strong>bounce_notify_owner_on_disable</strong></dt>
+<dd>This option controls whether or not the list owner is notified
+ when a member's subscription is automatically disabled due to
+ their bounce threshold being reached.
+
+<p>
+</dd>
+<dt><strong>bounce_notify_owner_on_removal</strong></dt>
+<dd>This option controls whether or not the list owner is notified
+ when a member is removed from the list after their disabled
+ notifications have been exhausted.
+</dd>
+</dl>
+
+<p>
+
+<div class="navigation">
+<div class='online-navigation'>
+<p></p><hr />
+<table align="center" width="100%" cellpadding="0" cellspacing="2">
+<tr>
+<td class='online-navigation'><a rel="prev" title="2.7.4 spam Filters"
+ href="node24.html"><img src='previous.png'
+ border='0' height='32' alt='Previous Page' width='32' /></a></td>
+<td class='online-navigation'><a rel="parent" title="2 the List Configuration"
+ href="node8.html"><img src='up.png'
+ border='0' height='32' alt='Up one Level' width='32' /></a></td>
+<td class='online-navigation'><a rel="next" title="2.9 the Archiving Options"
+ href="node26.html"><img src='next.png'
+ border='0' height='32' alt='Next Page' width='32' /></a></td>
+<td align="center" width="100%">GNU Mailman - List Administration Manual</td>
+<td class='online-navigation'><a rel="contents" title="Table of Contents"
+ href="contents.html"><img src='contents.png'
+ border='0' height='32' alt='Contents' width='32' /></a></td>
+<td class='online-navigation'><img src='blank.png'
+ border='0' height='32' alt='' width='32' /></td>
+<td class='online-navigation'><img src='blank.png'
+ border='0' height='32' alt='' width='32' /></td>
+</tr></table>
+<div class='online-navigation'>
+<b class="navlabel">Previous:</b>
+<a class="sectref" rel="prev" href="node24.html">2.7.4 Spam Filters</a>
+<b class="navlabel">Up:</b>
+<a class="sectref" rel="parent" href="node8.html">2 The List Configuration</a>
+<b class="navlabel">Next:</b>
+<a class="sectref" rel="next" href="node26.html">2.9 The Archiving Options</a>
+</div>
+</div>
+<hr />
+<span class="release-info">Release 2.1, documentation updated on December 5, 2007.</span>
+</div>
+<!--End of Navigation Panel-->
+
+</body>
+</html>