On Thu, Jun 08, 2023 at 05:39:21PM -0700, Richard Troy via Postfix-users wrote:
> [Long story]
My sympathy for your woes, but absent both configuration details
https://www.postfix.org/DEBUG_README.html#mail
and relevant logs, no meaningful help is possible.
The only salient fact seems to be that no unauthorised relaying is
happening via port 25, and all the trouble is with either ports 587 or
465. So likely weak passwords for either Unix users or the Dovecot
or Cyrus SASL backend. Also possible is a poor defintion of
"mynetworks".
Step 1 is to post configuration defails, attached as files to preserve
verbatim whitespace.
$ postconf -nf > /tmp/main.cf
$ postconf -Mf > /tmp/master.cf
Attach both files. If the Postfix configuration is fine, you'll
need help with Dovecot or Cyrus SASL.
--
Viktor.
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