mail filter

First of all hello everybody. As I was checking queue inside of my proxmox mail gateway, I have seen that I have like 30 mails which are just hanging there. All mails are from MAILER-DAEMON@my-domain.com to system@webuntis.com. Reason is "connect to hermes.webuntis.com [213.208.138.150]:25...

Hi all, I have a mysql server that i host my virtual and transport maps, which i have manually added into the postfix config on my Proxmox Mail Gateway. In these virtual maps, i have email aliases, such as an alias called test-list1@example.com that sends anything to that email to a few people...

We are in the process of migrating transport rules from MS Exchange to PROXMOX and noticed that it is not possible (compared to MS Excchange) to create exceptions for mail filters. Therefore we tried to logicaly link multiple checks with inverted regex (e.g. "NOT 'STRING'" like ^(?!STRING.*$) )...