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    "How to" - Local DNS Resolver for Proxmox Mail Gateway

    You can find setup steps in my Advancing Proxmox Thread. However it's very easy.
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    Installation antivirus

    Thx, please refer to my Advancing Proxmox Thread. However, it's currently not maintained, especially ClamAV adjustments may not fit the current state of the art. Because ClamAV has still worse quality, I installed and use Avast, therefor you find all explanations there, also for the newest...
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    Enforce TLS with sender domain

    Maybe MTA-STS support should be built in PMG and used by the sender?
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    pflogsumm

    I'm afraid makes no sense. I also discussed that before and had feedback, that were are no changes planned.
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    [SOLVED] Avg Mail Processing Time

    Looks like bind takes much time. I had issues with bind not resolving records and being too slow. If unbound works for all other zones but one domain maybe you could try to fetch their details otherwise and load them to unbound directly? Unsure, if that's possible with unbound, I know, that it's...
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    [SOLVED] Avg Mail Processing Time

    Maybe you should also post here your pmgperf output, seems to be a good measurement.
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    Spamassassin's Phishing Plugin

    But I believe, it's not taking too much cpu power or hdd space to leave it off. For sure, Phishtank as well as Openphish (explicit in the free access) provide "well known" phishing, but good phishing should not be well known but take time to get listed there, so it's a "just in case"...
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    [SOLVED] Avg Mail Processing Time

    I have 1.9s on my commercial test system (private is a bit undersized and has less mails), but this 1.9s include spam assassin running twice because of my miltered setup (pre-queue filtering). So it really will be around the half. So 1.33s sounds somehow good. Unbound is also my recommendation...
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    Spamassassin's Phishing Plugin

    You're welcome. Did you got any results yet? In my logs I saw no occurrence.
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    pflogsumm

    Thanks, shouldn't such information be integrated in PMG already? I recently also worked with Sophos UTM/SG, they have really great reports also over time and with graphs (googling around also brought a result with Mailgraph).
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    Admin Acccess einschränken

    Also wie das mit der Quarantäne geht, kann ich leider nicht beantworten, da ich die Quarantäne nicht nutze und nichts davon halte, sofern diese aber über den gleichen Port erreichbar ist wie auch die Admin-GUI, wird das vermutlich nicht funktionieren. Ansonsten mein Advancing-Thread anschauen...
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    [SOLVED] Avg Mail Processing Time

    You may compile the rules, look at my Advancing Thread on how to do.
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    helo Namen anpassen

    main.cf.in von /var/lib/pmg/templages nach /etc/pmg/tempaltes kopieren, anpassen und dann pmgconfig sync ausführen, wie es da steht.
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    Greylisting and Office 365

    Don't use greylisting, it's a users nightmare (delay) and results are much less profitable any more since a decade ago. rspamd has a great greylisting implementation, which greylists only mails which hit a special spam score (given probability), so maybe in between more blacklists add potential...
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    Concerning antivirus and antispam

    Look at my Advancing Thread, spamass-milter does the job. Maybe next PMG release will also do that.
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    helo Namen anpassen

    Bitte die Dokumentation lesen. Die /var/lib/pmg/templates/main.cf.in wird durch ProxMox überschrieben, das muss kopiert werden und gesinnt werden, dann wir die main.cf mit aktualisiert.
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    "How to" - Local DNS Resolver for Proxmox Mail Gateway

    I googled some documentation about resolvers, their speed, reliability and how fast they reject unknown queries, work on timeouts etc. It looked like that Unbound is most reliable for the use in PMG environment.
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    helo Namen anpassen

    Bester Tipp: Anleitung lesen, da steht, daß Änderungen in der main.cf überschrieben werden und man dazu das Template kopieren und anpassen muss.
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    [TUTORIAL] Advancing Proxmox Mail Gateway (especially Spam and Virus Detection)

    Thanks for feedback. We currently see as promoted some feature updates to PMG. So once PMG 6.1 is released, my plans are to rebuilt the tutorial to fit the newest version and features. I will for sure remove ClamAV support, maybe I also can remove spamass-milter as maybe prequeue will come as well.
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    [TUTORIAL] Advancing Proxmox Mail Gateway (especially Spam and Virus Detection)

    Hi, I'm sorry, but I don't support ClamAV any more as it does not work well and the sigs also provided more false-positives than useful results. I switched to Avast. New documentation will remove any ClamAV adjustments, new installation as well. I believe, the topic is because of the package of...