sourpatch:/var/spool/postfix/active# grep 538EC7A8766 /var/log/mail.*
/var/log/mail.info:Apr 14 18:44:01 sourpatch postfix/smtpd[11543]: 538EC7A8766: client=edison.ilab.whatever.com[10.116.10.3]
/var/log/mail.info:Apr 14 18:44:01 sourpatch postfix/cleanup[12245]: 538EC7A8766: message-id=<20110414224401.4EAD31FD2F@edison.ilab.whatever.com>
/var/log/mail.info:Apr 14 18:44:01 sourpatch postfix/qmgr[12033]: 538EC7A8766: from=<root@whatever.com>, size=754, nrcpt=1 (queue active)
/var/log/mail.info:Apr 14 20:38:45 sourpatch postfix/qmgr[20538]: 538EC7A8766: from=<root@whatever.com>, size=754, nrcpt=1 (queue active)
/var/log/mail.log:Apr 14 18:44:01 sourpatch postfix/smtpd[11543]: 538EC7A8766: client=edison.ilab.whatever.com[10.116.10.3]
/var/log/mail.log:Apr 14 18:44:01 sourpatch postfix/cleanup[12245]: 538EC7A8766: message-id=<20110414224401.4EAD31FD2F@edison.ilab.whatever.com>
/var/log/mail.log:Apr 14 18:44:01 sourpatch postfix/qmgr[12033]: 538EC7A8766: from=<root@whatever.com>, size=754, nrcpt=1 (queue active)
/var/log/mail.log:Apr 14 20:38:45 sourpatch postfix/qmgr[20538]: 538EC7A8766: from=<root@whatever.com>, size=754, nrcpt=1 (queue active)