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T_SPF_TEMPERROR kann auf eine Problem bei der Konfiguration der DNS-Server hindeuten - also das mal überprüfen... ansonsten - bitte die logs zu den mails teilen - vl. zeigen die wo das Problem ist.

then you need to install jq - `apt install jq`

which threads are you referring to? in general for selective deletion of postfix queue - I can recommend combining `postqueue -j` (JSON-output) with a `jq` filter e.g.: postqueue -j |jq -r 'select( .sender == "address@of.hacked.sender" )|.queue_id' check the outputs before and make sure that...

If possible please share the complete logs as text (either attached or in a code-block) - it makes looking through them much faster/more comfortable. not sure if the screenshot captures everything - or if smtpd had an error regarding TLS configuration before - but the only thing that we see...

That's odd - and I haven't encountered this until now - the directory on a few test-instances here is < 100M ... I'd check the postgresql log, and the journal for any potential issues that might explain this. do you have any modifications in place? - did you adapt the postgresql configuration?

please share the logs of your PMG2 (after restarting postfix) when the error occurs - this might help to find the issue.

the PMG cluster-stack does not use postgresql replication to synchronize the rules, so this should not be the cause for the files in the pg_wal directory. * How did you come to the conclusion that the PMG cluster stack is the reason? * Why are the files problematic?

Greylisting works by sending a temporary error-code (4xx) to the sender - all sensible mail-servers will try to resend that mail after a short while (5 minutes) - and then it will pass (and the triple sender-email,recipient-email,sender-ip will not be delayed again for 30 days). That's because...

Which DNSBL's are you referring to? - if the mails are blocked by postscreen in the mail-proxy this is the earliest where PMG offers such blocking. The mail filter/rule system always runs in pmg-smtp-filter and will always use some resources (mails are first evaluated for the from/to/what/when...

Why would this be nice? - At least in my experience it's nothing too common - and it does not help if you chose to change e-mail providers either While dated - and maybe not too current - I still think the points in https://www.ietf.org/rfc/rfc1912.txt have some merit. Apart from that I still...

Why do you need more than 5 domains? - Keep in mind that it is not necessary to have all domains that are sending/receiving mail through a PMG listed in the certificate! * usually you point the MX record of the domain to the hostname of PMG - so it should be enough to list that * additionally...

The matches for Who Objects (the default Blacklist rule has a Who object with the same name) does not match subdomains for domain-objects. You can use a Regular Expression object for this: `.*xxxx.com` will match everything ending with xxxx.com (including xxxx.com itself). I hope this helps!

please share the complete journal - not just the beginning - probably better to attach it instead of pasting .... the part you shared shows nothing special/problematic - but is only the start of a normal boot (with an older kernel pointing to an outdated Proxmox VE version)....

Check the complete journal since boot for the actual cause of pve-cluster.service (pmxcfs) not starting: `journalctl -b` share the logs if you cannot find the root-cause.

Probably related or caused by: https://forum.proxmox.com/threads/fix-failed-to-start-the-proxmox-ve-cluster-filesystem.166984/ (please do not open multiple threads for one issue - it just causes twice the work)

Set the quarantine port 443 to have it without port 8006 in the URL Plain HTTP is not supported by pmgproxy - so if you _really_ want plain http you need to configure a proxy in front of pmgproxy - see: https://pmg.proxmox.com/wiki/index.php/Quarantine_Web_Interface_Via_Nginx_Proxy I hope this...

Abwesenheitsnachnrichten werden oft mit leerem Envelope-Sender verschickt - da gibts im Trackingcenter eine eigene checkbox, die aktiviert werden muss. (und danach kann nur nach dem Empfänger gesucht werden. - Tauchen die mails dann im Trackingcenter auf? Wegen DKIM - Wenn PMG das DKIM signing...

Adding a header multiple times ensures that the signature fails if someone in the middle injects another header (e.g. from) - it's also called oversigning - e.g.: https://forum.dmarcian.com/t/oversigning-headers-what-is-it-and-how-does-one-do-it/2462/2 I hope this explains it!

Virencheck ist im default-ruleset aktiv - zumindest für inbound mails (im Regelsystem kann dieser auch abgeschaltet werden) wie wurde die eicar-mail denn zugestellt - bei meinen tests funktioniert es zuverlässig, das eicar erkannt wird.

nothing changed in those code-paths recently how do your files look like (filenames)? - keep in mind that the log-tracker only checks /var/log/syslog, /var/log/syslog.1, /var/log/syslog.2.gz.../var/log/syslog.31.gz for data...