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  1. C

    PMG Connecting Exchange server version is out-of-date

    Hello everyone, We are currently experiencing a problem with the delivery of emails to Microsoft 365 Mail Server. We receive the following error message when delivering emails: BE1PEPF0000056C.mail.protection.outlook.com has rejected your message to the following e-mail addresses...
  2. C

    pmg 6.4 block every mail without rDNS positive

    Hello Proxmox forum, I want to set up a rule in my pmg 6.4 that block every mail without a positive rDNS check. Do you have any idea how i can implement this ? --- /etc/mail/spamassassin/pmg-scores.cf 2020-06-23 10:38:04.726379232 +0200 +++ /var/cache/pmg-scores.cf 2021-10-04...
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