or download this
Apr 26 00:00:00 edge newsyslog[25697]: logfile turned over
Apr 26 00:00:53 hosting postfix/smtpd[26207]: connect from ef.egroups.
+com[64.211.240.229]
...
Apr 26 00:01:17 hosting postfix/smtpd[26207]: disconnect from adsl-20-
+151-106.sdf.bellsouth.net[66.20.151.106]
Apr 26 00:05:53 hosting postfix/smtpd[30369]: connect from adsl-20-151
+-106.sdf.bellsouth.net[66.20.151.106]
Apr 26 00:05:54 hosting postfix/smtpd[30369]: B4ECD1176AE: client=adsl
+-20-151-106.sdf.bellsouth.net[66.20.151.106]