Are the journaling rules like transport rules, where they are evaluated in order until a match is found, and then processing additional rules stops? Is every journaling rule evaluated against every email for a match?
Unlike transport rules, you can only specify the recipient part (specific recipients or all messages) and the scope of messages (internal, external or all messages) in a journal rule.
If an email matches multiple journaling rules, will a journaling report be sent by each rule?
If a recipient is included in multiple journal rules with different journal mailboxes, multiple journal reports would be sent to the corresponding journal mailboxes.
If the journal rules are configured with a same journal mailbox, only a journal report would be sent.
Here is a link with more detailed information on this topic for your reference: Manage journaling
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