prometheus:~# ifconfig | grep inet; grep DAEMON_OPTIONS /etc/mail/sendmail.mc
          inet addr:172.16.2.10  Bcast:172.16.2.255  Mask:255.255.255.0
          inet addr:172.16.2.67  Bcast:172.16.2.255  Mask:255.255.255.0
          inet addr:127.0.0.1  Mask:255.0.0.0
DAEMON_OPTIONS(`Family=inet,  Name=MTA-v4, Port=smtp, Addr=127.0.0.1')dnl
DAEMON_OPTIONS(`Family=inet,  Name=MTA-v4, Port=smtp, Addr=172.16.2.10')dnl
DAEMON_OPTIONS(`Family=inet,  Name=MTA-v4, Port=smtp, Addr=172.16.2.67')dnl
DAEMON_OPTIONS(`Family=inet,  Name=MSP-v4, Port=submission, Addr=127.0.0.1')dnl