Does this message actually confirm delivery to the specified domain? I know that if a message cannot reach a particular domain it often times will not leave the mailbox and you will not see an entry like this in the log or on the console.
06/22/2004 01:31:05 PM Router: Message 0065AD8A transferred to mail1.IES-CO.COM for jason.kilpatrick@ies-co.com via SMTP
thank you