Hi all,
I'm seeing an annoying problem with maybe only one mail server:
the client sits on a dynamic dialup IP and sends a message through a
mailserver via authenticated smtp. When ASSP receives this message, it
scores it for DNSBL. Of course that dialup IP is listed in Spamhaus' PBL.
Question: why does ASSP score for the dynamic sender IP, when the mail is
"legalized" by authenticating to the mail server? Is it ASSP's mistake or is
it the mailserver in the middle (Postfix), which maybe should provide yet
another header line?
Excerpt from the mail headers (slightly anonymized):
Received: from MEDISTAR (p2e51313d.dip0.t-ipconnect.de
[46.81.49.61])(Authenticated
sender: [email protected])by mx01.netgroup.de (Postfix) with
ESMTPSA
id BC6202400DBfor <[email protected]>; Sun, 27 Jun 2021
22:00:13 +0200
(CEST)
Excerpt from ASSP log:
Jun 27 22:00:15 localhost assp.pl[23547]: m1-24014-10318 [Worker_1] [TLS-in]
81.209.171.97 [OIP: 46.81.49.61] <[email protected]> to: [email protected]
Message-Score: added 50 for DNSBL: failed, 46.81.49.61 listed in
zen.spamhaus.org, total score for this message is now 50
Thanks for thinking
Regards
Dirk
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