- Plesk Obsidian for Linux
- Plesk Onyx for Linux
- In Tools & Settings > Mail Server Settings Postfix is set up as SMTP server:
- Notifications which are set up in Plesk in Tools & Settings > Notifications are not sent.
The following records can be found in the file
CONFIG_TEXT: postfix: Postfix is running with backward-compatible default settings
plesk postfix/master: terminating on signal 15
plesk postfix: Postfix is running with backwards-compatible default settings
plesk postfix: See http://www.postfix.org/COMPATIBILITY_README.html for details
plesk postfix: To disable backwards compatibility use "postconf compatibility_level=2" and "postfix reload"
- Postfix was installed on server before Plesk installation;
- When connected server via SSH the configuration file like
/etc/postfix/main.cf.rpmnewcan be found. This file indicates that configuration files were modified before Plesk installation.
Postfix is running in the backward-compatible mode: on upgrade package manager backed up modified configuration files where backward-compatible mode was disabled and created new clean one.
Note: This article is intended for use by server administrators. In case there is no administrative SSH access to the server, contact the server administrator or server provider.