Mail is not being retrieved by POP: it just disappears. Smart host is setup through Relay
Smart host is setup through Relay
The following entry appears in
CONFIG_TEXT: Sep 13 03:45:58 plesk postfix/smtp: 7DF76407FFBD: to=<firstname.lastname@example.org>, relay=relayaddress.com[203.0.113.2]:25, delay=0.42, delays=0.05/0.01/0.12/0.24, dsn=2.0.0, status=sent (250 Ok: queued as CA0015480AF)
The email reached the relay (relay=relayaddress.com) and was queued there.
Contact relay host relay=relayaddress.com to check their logs for details why email is queued on a relay side.