Using Classic Outlook on Windows for personal email, calendar, and contact management
Hi Imran Iftikhar (Imran.Iftikhar),
You can check this thread.
https://techcommunity.microsoft.com/t5/Exchange/BCC-Foldering-Agent/m-p/196523#M2134
It seems that you were affected by the ‘BCC Foldering agent’. You can also try to run a message trace to check the delivery status.
Thanks,
Kyrie
Hi Kyrie,
Thanks for the update, Message trace for 2016 exchange is different then what in this blog share. Please let me know if i can use this becuse this message trace have lot of details.