After Plesk updates, customized Dovecot configuration file
/etc/dovecot/dovecot.conf is reset to default. The previous version of file is saved as
Plesk updates may contain new Dovecot packages to deliver security improvements. The default Dovecot configuration file is shipped with the new Dovecot package.
Warning: It is not recommended to customize the main Dovecot configuration file
Create a new Dovecot configuration file in the
/etc/dovecot/conf.d/ directory and add all required customization in it.
Connect to the Plesk server via SSH.
Create a new file with
.confextension, for example:
# touch /etc/dovecot/conf.d/my_custom_file.conf
Open the file in a text editor and add your custom configuration in it.
Restart Dovecot to apply new changes:
# service dovecot restart