Hi We are running mixed Exchange 2003 and 2007 as we migrating to 2007 in our company. I have noticed something strange: If a user sends an email to an invalid address with an attachment - in Exchange 2003, the attachment is included in the NDR they receive. In 2007, the attachment is not included with the NDR. Strange! Does anyone know where those settings are for 2003/2007 and how I can change them so that they are the same? Thanks!

HiWhat`s NDR do you See in Exchange 2003 ? Please on Exchange 2007 run Exchange Management Shell and run Cmdlet Get-RemoteDomain |fl NDREnabled true or false ?