Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems.
- Start:
service dovecot start or systemctl start dovecot 
- Stop:
service dovecot stop or systemctl stop dovecot 
- Restart:
service dovecot restart or systemctl restart dovecot 
- Reload:
service dovecot reload or systemctl reload dovecot 
- Status:
service dovecot status or systemctl status dovecot 
- Enable Dovecot Mail Service on Boot
chkconfig dovecot on or systemctl enable dovecot 
- Dovecot default configuration file location
vi /etc/dovecot/dovecot.conf