On 2024-06-28 at 05:23:27 UTC-0400 (Fri, 28 Jun 2024 11:23:27 +0200)
Matus UHLAR - fantomas via Postfix-users <uh...@fantomas.sk>
is rumored to have said:

Who exactly listens on port 10025? looks like postfix sends mail to itself, or is it another postfix instance?

Historically that has been a port commonly used for the SMTP proxy form of filtering using Amavis. Since SpamAssassin has no SMTP proxy function and his logs show both sides of a SMTP chat between 2 smtpd processes, I think Amavis is the most likely thing listening.


--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo@toad.social and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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