- Plesk for Linux
Are there any issues when changing the IMAP/POP3 server in Plesk from Dovecot to Courier?
Dovecot configuration used by Plesk is compatible with Courier.
In case Courier is used instead of Dovecot consider the following:
- Courier does not support Sieve mail filtering language and some server-side filtering rules will not be working.
It is required to update SSL settings for the Courier IMAP/POP3.