# Master Configuration service imap-login { # Run login processes in high-security mode (see: LoginProcess.txt in dovecot docs) service_restart_request_count = 1 # Disable unencrypted IMAP by setting port for plain IMAP to 0 inet_listener imap { port = 0 } inet_listener imaps { port = 993 ssl = yes } } # Allow postfix to user dovecot SASL service auth { unix_listener /var/spool/postfix/private/auth { mode = 0660 user = postfix group = postfix } }