sam@shamaho:~$ tail  /var/log/mail.log
May 23 07:37:15 localhost postfix/cleanup[1829]: 296D56BC0B9: message-id=<20070523063715.296D56BC0B9@localhost.localdomain>
May 23 07:37:15 localhost postfix/local[1831]: 296D56BC0B9: to=<sam@shamaho.localdomain>, orig_to=<root>, relay=local, delay=0, status=sent (delivered to command: procmail -a "$EXTENSION")
May 24 07:37:16 localhost postfix/cleanup[3981]: 61D916BC0B9: message-id=<20070524063716.61D916BC0B9@localhost.localdomain>
May 24 07:37:18 localhost postfix/local[3983]: 61D916BC0B9: to=<sam@shamaho.localdomain>, orig_to=<root>, relay=local, delay=2, status=sent (delivered to command: procmail -a "$EXTENSION")
May 25 07:37:13 localhost postfix/cleanup[5891]: B69106BC0BA: message-id=<20070525063713.B69106BC0BA@localhost.localdomain>
May 25 07:37:13 localhost postfix/local[5893]: B69106BC0BA: to=<sam@shamaho.localdomain>, orig_to=<root>, relay=local, delay=0, status=sent (delivered to command: procmail -a "$EXTENSION")