DKIM signature failing for mailing list.

Eric Renfro psi-jack at linux-help.org
Wed Nov 18 04:49:42 CET 2015


I just noticed that the DKIM signature of this mailing list is failing due to 
post-signing body modification (due to the mailing list footer text 
appended to every message):

Nov 15 03:52:19 mx amavis[10884]: (10884-07) dkim: FAILED third-party 
signature by d=incred_com_au.20150623.gappssmtp.com, From: 
<henry at incred.com.au>, a=rsa-sha256, c=relaxed/relaxed, s=20150623, 
i=@incred_com_au.20150623.gappssmtp.com, 
m.list(ml:users.lists.kolab.org), fail (message has been altered)

Thought I should point it out since it was causing me to get OSSEC 
alerts, and generate DMARC reports. ;)

-- 
Eric Renfro

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