@koaladerke . This is the info I was after. It's SMTP. You can copy and paste as text into your reply rather than attaching it as an image.
You're using STARTTLS for security.
You try to login with your email address and are then disconnected. I don't know why.
Can you get this logging again for a successful send? If your slave is stuck in a cycle of not working, do it for your main address.
Are you still using the public ip address shown in the log or has it changed since yesterday?
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