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diff --git a/doc/mailman-install/node25.html b/doc/mailman-install/node25.html new file mode 100644 index 00000000..ec01107d --- /dev/null +++ b/doc/mailman-install/node25.html @@ -0,0 +1,135 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<html> +<head> +<link rel="STYLESHEET" href="mailman-install.css" type='text/css' /> +<link rel="first" href="mailman-install.html" title='GNU mailman - installation Manual' /> +<link rel='last' href='about.html' title='About this document...' /> +<link rel='help' href='about.html' title='About this document...' /> +<link rel="next" href="node26.html" /> +<link rel="prev" href="node24.html" /> +<link rel="parent" href="node16.html" /> +<link rel="next" href="node26.html" /> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> +<meta name='aesop' content='information' /> +<title>6.2.9 Receiver Verification</title> +</head> +<body> +<div class="navigation"> +<div id='top-navigation-panel' xml:id='top-navigation-panel'> +<table align="center" width="100%" cellpadding="0" cellspacing="2"> +<tr> +<td class='online-navigation'><a rel="prev" title="6.2.8 Problems" + 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="6.2 using the Exim" + href="node16.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="6.2.10 smtp Callback" + 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 - Installation Manual</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> +<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">6.2.8 Problems</a> +<b class="navlabel">Up:</b> +<a class="sectref" rel="parent" href="node16.html">6.2 Using the Exim</a> +<b class="navlabel">Next:</b> +<a class="sectref" rel="next" href="node26.html">6.2.10 SMTP Callback</a> +</div> +<hr /></div> +</div> +<!--End of Navigation Panel--> + +<h3><a name="SECTION001629000000000000000"> +6.2.9 Receiver Verification</a> +</h3> + +<p> +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 +<var>SMTP_MAX_RCPTS</var>. + +<p> +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. + +<p> +Under Exim 3, put this in your main configuration section: + +<p> +<div class="verbatim"><pre> + receiver_verify_hosts = !127.0.0.1 +</pre></div> + +<p> +Under Exim 4, this is probably already taken care of for you by the default +recipient verification ACL statement (in the <code>RCPT TO</code> ACL): + +<p> +<div class="verbatim"><pre> + accept domains = +local_domains + endpass + message = unknown user + verify = recipient +</pre></div> + +<p> +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.) + +<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="6.2.8 Problems" + 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="6.2 using the Exim" + href="node16.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="6.2.10 smtp Callback" + 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 - Installation Manual</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> +<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">6.2.8 Problems</a> +<b class="navlabel">Up:</b> +<a class="sectref" rel="parent" href="node16.html">6.2 Using the Exim</a> +<b class="navlabel">Next:</b> +<a class="sectref" rel="next" href="node26.html">6.2.10 SMTP Callback</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> |