[email protected]:
> and a test header check:
> /^Subject: test1test/?? FILTER smtp-sec:
...
> Nov 16 13:38:19 mailtest1 postfix/cleanup[1147934]: 5C0D85B05:
> filter: header Subject: test1test from unknown[192.0.2.1];
> from=<[email protected]> to=<[email protected]> proto=ESMTP
> helo=<mailer.example.org>: smtp-safe:
If smtp-sec (smtp-safe) is an SMTP client, it will try to connect
to port 25 using the recipient domain (testdomain.net) as the
destination, because by definition FILTER overrides transport maps.
If testdomain.net is a local destination, then you have a mail
delivery loop.
Wietse