# LMTP delivery service for Postfix service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { mode = 0600 group = postfix user = postfix } service lmtp { inet_listener lmtp { address = 192.168.0.24 127.0.0.1 ::1 port = 24 } } # Authentication service for Postfix service auth { unix_listener /var/spool/postfix/private/auth { mode = 0660 user = postfix group = postfix } }