Forum Discussion
mail flow rule exception any recipient not completely working
I've create this rule to capture all messages sent outside of the organization and put it in a shared mailbox and in a second phase an azure function with microsoftgraph take the message and f...
As with the other thread - BCC is a special case. One thing you can improve in the rule is to change the "match" criteria to Header or envelope, but that will hardly solve all issues. It seems to me you are trying to do something akin to journaling, although with a somewhat different purpose, which generally speaking is not a supported scenario for O365, unless you "journal" to an external mailbox.