Prevent amavis from obliterating spam headers
quanah at zimbra.com
Wed Feb 11 18:04:02 CET 2015
--On Friday, January 30, 2015 11:23 AM +0100 Joolee <amavisd at joolee.nl>
> There is of course a notable difference between keeping possibly
> untrustworthy headers and using those headers as part of the spam
> filtering process.
> Are you perhaps refering to client software, using the 'is-spam' header
> for separating spam from ham? In this case, it is possible the
> untrustworthy headers will be used instead of the ones added by your own
> spamfilter. This might be solvable by prepending either your own or the
> third party headers with a known prefix.
The second case is referring to a redirect. According to the SA
documentation, a redirect should not obliterate the existing SA headers
It appears Amavis is violating the SA design.
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