One of our users is complaining that as of Friday, he has been unable to send outgoing mail to external addresses. He is able to send inter-office email just fine. The error message is listed below. Can anyone tell me some options that I can explore to see what's stopping him?
"Your message did not reach some or all of the intended recipients.
Sent: 11/16/2004 10:02 AM
The following recipient(s) could not be reached:
'firstname.lastname@example.org' on 11/16/2004 10:02 AM
A restriction in the system prevented delivery of the message.
The MTS-ID of the original message is: c=US;a= ;p=FischerUS;l=NT1-041116150154Z-1