Recent content by hata_ph

After further checking, found out the error is referring to the Veeam host not able to get UUID instead of the CentOS VM. Once make sure the Veeam host (which also as VM in the same Proxmox host) is able to get the UUID, the issue is solved...

Trying to setup CentOS 9 VM as Veeam Hardened Repository but encounter below error. From forum there is suggestion to change the machine type but i have try version 8.0 on i440fx and q35, still not working. Any idea...

Both external and internal SMTP port cannot be the same. Change your relay mail server to use port 26 since all incoming mail will go through PMG first then redirect to your actual email server.

check out the tutorial on mail filter https://forum.proxmox.com/threads/mail-filter-example.71904/

Add the dnswl site with negative score to your DNSBL sites entry. https://www.dnswl.org/?page_id=15#postfix

Try set custom spamassassin score for dkim and spf rule and let spamassassin quarantine/block it. https://svn.apache.org/repos/asf/spamassassin/trunk/rules/25_dkim.cf https://svn.apache.org/repos/asf/spamassassin/trunk/rules/25_spf.cf

Provide more info regarding your issue, include the logs showing mails being rejected.

There is procmail but I am not sure PMG can handle it. https://wiki.archlinux.org/title/Procmail http://lists.mailscanner.info/pipermail/mailscanner/2020-April/106168.html

It work for me. This is my /etc/pmg/spamassassin/custom.cf and test email from gmail. Return-path: <user1@gmail.com> Received: from pmg.mydomain.com ([192.168.40.106]) by mail.mydomain.com with ESMTP; Tue, 13 Sep 2022 08:54:48 +0800 Received: from pmg.mydomain.com (localhost.localdomain...

Is the mail server same network segment with PMG? Try add your mail server network/cidr to trusted network.

show your global whitelist and also the log showing the mail being check with SPF.

Pls provide log and PMG version.

Whitelist under Mail Proxy will disable SPF checking. Does it work?

93.112.39.252 is being blacklisted. status=bounced (host mx-biz.mail.am0.yahoodns.net[67.195.204.83] said: 553 5.7.1 [TSS07] Connections will not be accepted from 93.112.39.252, because the ip is in Spamhaus's list; see https://postmaster.yahooinc.com/error-codes (in reply to MAIL FROM command))

welcome