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    local sending (PMG to internal) fails with "mail transport unavailable"

    i'm running PMG-6.1-3, with before queue spam-filtering enabled. since some time (probably about the same time as i enabled before queue, but i don't really remember), it seems that the mailgateway is unable to send administrative emails any more. PMG is mailgate.example.com, and it's...
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    before queue: spurious SMTP errors

    hard to tell, as i only get a notification after the fact which parts do you want? what time-frame? which services? i already attached an anoymized 2-line excerpt to the original question 26 inet n - - - 100 smtpd -o smtpd_proxy_filter=127.0.0.1:10023 -o...
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    before queue: spurious SMTP errors

    since i've enabled the "before queue" filtering, i get notifications of smtp-errors every now and then: the sender/receiver/sending-host tuple looks like totally legit (and includes "trusted" mailserverse; "trusted" in the sense that i trust them to do a good job and not send out spam; but not...
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    [SOLVED] Problem with receiving emails

    did you add the additional domains in the *Configuration->Mail Proxy->Relay Domains* setting?
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    [SOLVED] Not detecting spam email at all

    so you subscribed to legit newsletters, and receive the emails you asked for and then you wonder why? for me it sounds like everything is working as expected. (a "newsletter" is not necessarily spam; esp. if you can sign up manually)
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    Enable Before Queue filtering

    yes of course. journalctl and /var/log/mail.info are full of lines like: i was only talking about the webinterface.
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    [SOLVED] __SPAMSTARS__ mit eigenen Zeichen (#)

    ich hatte das gleiche problem, und habe es dann gelöst, indem ich im eigentlichen (terminierenden) mailserver, das header-feld umgeschrieben habe. siehe Thread: using spam-bar instead of spam-stars
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    using spam-bar instead of spam-stars

    I ended up with rewriting the header-field in the receiving (final) mailserver, replacing * with +. Something like the following: - In PMG, add a rule that adds __SPAMSTARS__ to the X-proxmox-Spam-Level header-field. - in exim, add a data-ACL (acl_check_data, or via CHECK_DATA_LOCAL_ACL_FILE)...
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    [feature] ham-emails in statistics charts

    is there any way to draw attention to this issue? as of now, the charts on the #pmgGeneralMailStatistics page are only useful to gather information about spam, but not about non-spam mails.
  10. I

    Enable Before Queue filtering

    to be sure: i would *love* to see the rejected emails in my log-files. but since this is no regression from the milter-solution, i immediately adapted "before queue".
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    Enable Before Queue filtering

    for me, the current behaviour is already an improvement: - it provides the same core-feature as the milter-solution: hard reject (544) at SMTP-time instead of discarding the email (this was the reason why i deployed heutger's setup in the first place) - it has the same caveats as the...
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    Enable Before Queue filtering

    i would add 'SOLVED' myself, but i'm not the owner of this thread, since i only continued what @grefabu started...
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    Enable Before Queue filtering

    oh sorry, my last post was actually meant to say: "yes it's working now. it seems i did something wrong in my first try". thanks.
  14. I

    Enable Before Queue filtering

    DoH, i stand corrected. it seems that a reboot does not fully include a `pmgconfig sync --restart 1`. My main.cf was slightly modified, to use spamassassin-milter (following heutger's tutorial), but that part was commented out before doing the reboot (so I'm pretty sure that there were no...
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    Enable Before Queue filtering

    this is what i see in PMG's tracking center: Dec 2 13:01:27 mailgate postfix/smtpd[4953]: connect from anotherdomain.test[89.106.215.196] Dec 2 13:01:27 mailgate postfix/smtpd[4953]: 5944420014: client=anotherdomain.test[89.106.215.196] Dec 2 13:01:27 mailgate postfix/cleanup[5040]: 5944420014...
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    Enable Before Queue filtering

    thanks. i tried adding before_queue_filtering 1 and it does "something" (as in: adding `--smtpd_proxy_filter` and similar lines to postfix/master.cf), but how can i test whether it actually works? i tried sending a GTUBE-email to the gateway, but it was silently BLOCKED (aka: discarded). is...
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    ClamAV installation is outdated

    after upgrading to PMG-5.1, my ClamAV installation complains about being outdated. E.g. this is what I get when I manually click the "Update Now" button in the web-frontend: ClamAV update process started at Mon Oct 15 14:55:46 2018 WARNING: Your ClamAV installation is OUTDATED! WARNING: Local...
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    [SOLVED] Bayes still not auto learning?

    no. you somehow have to call `sa-learn` on good and bad emails. the problem is mainly how to get the spam/ham mails from the users to the pmg. one option is to use imap, another one to use rsync, a third one to use an USB-stick,....
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    sa-learn ham mails in quarantine

    would it be feasible to train the bayes-database with emails the user released from the quarantine as ham? - sometimes false-positives get caught by the quarantine. - the users will usually notice, and release these mails from the quarantine. - my idea is to use this information to train the...
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    [SOLVED] Bayes still not auto learning?

    the bayes won't get trained unless you have a spam-score that is greater than 12. ("10-12 points" qualifies as less than 12, so those mails don't automatically train the database). so yes: you should train the bayes-db manually.