Hi, in the postfix logs I keep getting the attempt to send email from localhost on a user who no longer exists. I can’t figure out which service or daemon this email generates:
Oct 25 01:25:02 neth7 postfix / smtpd [1869]: NOQUEUE: reject: RCPT from localhost [127.0.0.1]: 550 5.1.1 max@internal2.lan: Recipient address rejected: User unknown in virtual mailbox table ; from = no-reply@internal2.lan to = max@internal2.lan
Although it may seem trivial, I recreated the user and the email that was sent at regular intervals of 5m came from the “Nextcloud Activity” app.
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