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  • Committer: Bazaar Package Importer
  • Author(s): LaMont Jones
  • Date: 2011-02-22 11:20:43 UTC
  • mfrom: (1.1.27 upstream)
  • Revision ID: james.westby@ubuntu.com-20110222112043-c34ht219w3ybrilr
Tags: 2.8.0-2
* a little more lintian cleanup
* Fix missing format strings in smtp-sink.c

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proto/BACKSCATTER_README.html
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</blockquote>
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<p> What you see are lots of "user unknown" errors with "from=&lt;&gt;".
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These are error reports from MAILER-DAEMONs elsewhere on the Internet.
 
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These are error reports from MAILER-DAEMONs elsewhere on the Internet,
 
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about email that was sent with a false sender address in your domain.
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</p>
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<h2><a name="random">How do I block backscatter mail to random
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    body_checks = pcre:/etc/postfix/body_checks
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/etc/postfix/header_checks:
 
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    # Do not indent the text between "if" and "endif".
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    if /^Received:/
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    /^Received: +from +(porcupine\.org) +/
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        reject forged client name in Received: header: $1
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        reject forged domain name in Message-ID: header: $1
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/etc/postfix/body_checks:
 
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    # Do not indent the text between "if" and "endif".
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    if /^[&gt; ]*Received:/
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    /^[&gt; ]*Received: +from +(porcupine\.org) /
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        reject forged client name in Received: header: $1