- Plesk for Linux
An e-mail is received with "mail loop detected"
No forwarding is configured for the mailbox in Domains > example.com > E-Mail Addresses > email@example.com > Forwarding
The following error can be found in /var/log/maillog:
# May 4 13:37:42 123456 postfix/pipe: ABCDEFGHIJ: firstname.lastname@example.org, relay=plesk_virtual, delay=0.12, delays=0.11/0/0/0.01, dsn=5.4.6, status=bounced (mail forwarding loop for email@example.com)
Broken mailserver configuration
plesk repair mail might revert customizations on the mailserver.
Connect to the server via SSH
Execute the following command:
# plesk repair mail example.com