Mail to cannot be delivered


2016-11-16 12:51:33 UTC


2017-08-08 13:32:03 UTC


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Mail to cannot be delivered

Applicable to:

  • Plesk 12.5 for Linux


Mail to ( , , etc.) account cannot be delivered. The following log in /var/log/maillog :

    Jun 18 02:14:09 hostname postfix/qmgr[850634]: A994C1D21395: from=<>, size=594, nrcpt=1 (queue active)
Jun 18 02:14:09 hostname dovecot: imap-login: Login: user=<>, method=DIGEST-MD5, rip=::1, lip=::1, mpid=396335, secured, session=<a9Rc/341GQAAAAAAAAAAAAAAAAAAAAAB>
Jun 18 02:14:10 hostname postfix/pipe[396331]: A994C1D21395: to=<>, relay=plesk_virtual, delay=0.33, delays=0.27/0.02/0/0.04, dsn=2.0.0, status=sent (delivered via plesk_virtual service)


There is the same domain ( , , etc.) created in Plesk, so MTA like Postfix delivers emails locally.


Disable mail server for such domain to disable local delivery:

# /usr/local/psa/bin/mail --off

NOTE: It is unsecure to have domains with names that are identical to the domain names of popular online stores and other resources.

To avoid such behavior and prohibit for users to create domains like , , etc go to Home > Tools & Settings and enable Prohibited Domain Names functionality.

More information can be found int Protection from Mail Interception article.

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