Re: Difference in Return-Path (envelope) and From: (header) - spam messages, how to react?
- Am 28.03.2012 14:06, schrieb Rafał Radecki:
> Hi all.this differences are totally normal (mailing-lists, SRS...)
> Currently we have some amount of spam with different Return-Path and From fields. What to do to filter it? Should
> it be done in postfix (at mta level) or maybe in spamassassin? I think that SPF could be used but what about
> domains which do not have proper spf records?
on the MTA side "From:" does not matter in any way
in other words: you can NOT reject a message because of this
difference alone because you would reejct also some legit mail