We have Exchange 2010 setup and when some external users send an email to a non-existent email address, they receive an NDR as below with the ORNINAL Email Attached.
550
5.1.1 RESOLVER.ADR.RecipNotFound; not found ##
Is it possible to send the NDR without sending the original email as attachment.
Malli Boppe MCITP Enterprise Messaging Exchange 2010