The exchange server log is showing the following
July 25 11:59:2 irobot postfix/smtpd[10888] : connect from km3035scan.lakeside.office then right under that it repeats but says :lost connection after HELO from km3035scan.lakeside office then repeats with disconnect from km3035scan.lakeside office
Using exchange enterprize edition. it just keep filling up the log. Any help would be greatly appreciated.