Hello,
I've a problem with bounce back when i send a mail with a distribution group and the recipent address is faulse, i don't receive the bounce back.
technical context :
2 Exchange server 2016 standard without edge in DAG
Antispam Exchange ENABLED
my external mail are filtred by an antispam gateway
Diagnostic:
My antispam gateway send me the bounce back, my server1 create event HARECEIVE the mail and create an event HADISCARD and the mail is DROP by the server1 or the server2.
![pb1.png]()
![pb2.png]()
do you have already meet this case ?
Thanks for your help!
Vincent
Are you using any spam filters?, if yes check the DG was added as functional account or as an alias on your spam filter.
Also try adding the DG to white list on your spam filter gateway.
Regards,
G. Gopi Raju.