https://techcommunity.microsoft.com/discussions/exchange_general/mail-flowtransport-rules-and-subaddresses/3629722/replies/3631493
Mail flow/transport rules and subaddresses | Microsoft Community Hub
I'm reaching the limits of my patience trying to solve something relatively simple in concept and am turning to the community to point me in the right...
mail flowtransport rulessubaddressesmicrosoftcommunity