I have a distribution group email account that is configured to accept messages only from selected domain users. I would like to customize the dsn notificaton when an unauthorized user sends mail to this account. Is this possible? Below is the standard dsn that is generated.
Your message did not reach some or all of the intended recipients.
Sent: 10/3/2008 10:49 AM
The following recipient(s) cannot be reached:
email@example.com on 10/3/2008 10:49 AM
You do not have the permissions to send to this recipient. Please contact your System Administrator for help.