One of our email users got the following error messages. I am attaching a word document
with the entire details.
We are using Exchange 2010 servers in our LAN that sends all emails to a Linux email gateway in our DMZ.
Delivery has failed to these recipients or groups:
A problem occurred during the delivery of this message. Please try to resend the message later.
We need to know if the messages got delivered and what troubleshooting can be done to prevent this error.