I'll check that out. Meanwhile, here is the ndr they get.
From: System Administrator
Sent: Tuesday, February 10, 2004 5:23 PM
To: xxxxxxxxx(E-mail); xxxxxxxx(E-mail);
xxxxxxx (E-mail)
Subject: Undeliverable: hello
Your message did not reach some or all of the intended recipients.
Subject: hello
Sent: 2/10/2004 5:23 PM
The following recipient(s) could not be reached:
xxxxxxxxxxx (E-mail) on 2/10/2004 5:23 PM
Unable to deliver the message due to a communications failure
The MTS-ID of the original message is: c=US;a= ;p=xxxxxxxxxx;l=xxxxxxxxxxx-040210222237Z-1496
xxxxxxxxxx (E-mail) on 2/10/2004 5:23 PM
Unable to deliver the message due to a communications failure
The MTS-ID of the original message is: c=US;a= ;p=xxxxxxxxxxxx;l=xxxxxxxxxx-040210222237Z-1496
xxxxxxxxx (E-mail) on 2/10/2004 5:23 PM
Unable to deliver the message due to a communications failure
The MTS-ID of the original message is: c=US;a= ;p=xxxxxxxxxxx;l=xxxxxxxxxxx-040210222237Z-1496
MSEXCH:IMS:xxxxxxxxxxx:xxxxxx:xxxxxxxx 3553 (000B09AA) 553 Mail data refused by AISP, rule [227753].