Forum Discussion
Daniel Encinas Sastre
May 04, 2017Copper Contributor
Modify and create new DSN messages in Exchange Online.
Please, I need information about how to modify and create new DSN messages in Exchange Online. Thank you very much
VasilMichev
May 04, 2017MVP
We cannot do this in Exchange Online, it's a shared service after all. Best you can do is use a Transport rule to add some text to an NDR message, however even this method has severe limitations and will probably not work for external recipients.