[efesak]

Sure! I run several servers (and developing them, see https://poste.io). Watch DMARC reports and give it little time, most of time it will solve itself. You can also register to feedback loop...

[dtmmax33]

Definitely recommend FBL for anyone running a newsletter. That way if you do get a spam complaint you will be notified. Take a look at the list here: https://www.port25.com/list-of-current-feedback-loops-offere...