[Bug 6441] FORGED_HOTMAIL_RCVD2 triggered by message from Hotmail to Yahoogroup

[bu...@bugzilla.spamassassin.org]

https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6441

Kevin A. McGrail <km...@pccc.com> changed:

           What    |Removed                     |Added
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                 CC|                            |kmcgrail@pccc.com

--- Comment #1 from Kevin A. McGrail <km...@pccc.com> 2011-10-29 05:22:27 UTC ---
The problem is that the mailing list software is removing the received headers
from hotmail.

This likely breaks an RFC about modifying emails.

However, a key reason I've never seen this issue is because I implemented a
rule based on this discussion some 5 years ago:


http://lists.roaringpenguin.com/pipermail/mimedefang/2006-September/030885.html

I've written the original author for his permission to publish with SA but
here's a current version.

#YAHOO GROUP EMAIL RULE BASED ON WORK FROM Jim McCullars - University of
Alabama in Huntsville
header          __KAM_UAH_YAHOOGR_4 X-Mailer =~ /Yahoo Groups Message Poster/
ifplugin Mail::SpamAssassin::Plugin::DKIM
meta            KAM_UAH_YAHOOGROUP_SENDER __DOS_HAS_LIST_UNSUB && __ML2 &&
__DOS_HAS_MAILING_LIST && __KAM_UAH_YAHOOGR_4 && !FORGED_YAHOO_RCVD &&
DKIM_SIGNED && DKIM_VALID
else
meta            KAM_UAH_YAHOOGROUP_SENDER __DOS_HAS_LIST_UNSUB && __ML2 &&
__DOS_HAS_MAILING_LIST && __KAM_UAH_YAHOOGR_4 && !FORGED_YAHOO_RCVD
endif
score           KAM_UAH_YAHOOGROUP_SENDER -20.0

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