Applicable to:
- Plesk Onyx for Linux
Symptoms
-
Notifications which are set up in Plesk in Tools & Settings > Notifications are not sent.
-
When a notification should be sent, Postfix service is terminated with the signal 15 and restarted.
-
The following records can be found in the file
/var/log/maillog
:CONFIG_TEXT: postfix[54992]: Postfix is running with backward-compatible default settings
...
pelsk postfix/master[32815]: terminating on signal 15
plesk postfix[55085]: Postfix is running with backwards-compatible default settings
plesk postfix[55085]: See http://www.postfix.org/COMPATIBILITY_README.html for details
plesk postfix[55085]: To disable backwards compatibility use "postconf compatibility_level=2" and "postfix reload"
plesk postfix/master[55122]: /etc/postfix/master.cf: line 123: using backwards-compatible default setting chroot=y
plesk postfix/master[55122]: /etc/postfix/master.cf: line 125: using backwards-compatible default setting chroot=y
plesk postfix/master[55122]: daemon started -- version 3.1.0, configuration /etc/postfix
Cause
Postfix is running in the backward-compatible mode.
Resolution
-
Connect to the server using SSH.
-
Add the following line to the file
/etc/postfix/master.cf
:CONFIG_TEXT: compatibility_level=2
-
Reload Postfix configuration:
# service postfix reload
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