I have a problem which I am trying to solve all day long now. I have setup SMTP Protection and outbound it works perfectly - inbound no chance to make it running - I always receive this error message:
2021:06:16-16:45:18 core exim-in: 2021-06-16 16:45:18 SMTP connection from [178.x.x.x]:55240 (TCP/IP connection count = 1)
Bernhard PM'd me that he's a home user, so cannot open a ticket with Sophos. He sent me the unobfuscated lines from his first post. My best guess now is that the domain in the recipient address…
as far as I can verify all the SPF tests are ok on my domain?!