Hi, Since long days im working on the below to fix it, but im unsuccessful as i get the below when i try to start the dovecot service: [root@twikivm /]# service dovecot start Starting Dovecot Imap: Error: service(pop3-login): listen(*, 110) failed: Address already in use Error: service(pop3-login): listen(*, 995) failed: Address already in use Error: service(imap-login): listen(*, 143) failed: Address already in use Error: service(imap-login): listen(*, 993) failed: Address already in use Fatal: Failed to start listeners [FAILED] The below line has been set to *, but still no gain. [root@twikivm ~]# vi /etc/dovecot/dovecot.conf listen = * Kindly help me fix this