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Transport rule for encrypted messages
I'm trying to configure a mail flow/transport rule in Exchange Online to add a banner to incoming messages that are encrypted. During testing, the rule does not get triggered, even though the receive...
Modifying the content on an encrypted message is not supported, as detailed for example here: https://docs.microsoft.com/en-us/previous-versions/office/exchange-server-2010/bb124703(v=exchg.141)#message-types
Modifying the content on an encrypted message is not supported, as detailed for example here: https://docs.microsoft.com/en-us/previous-versions/office/exchange-server-2010/bb124703(v=exchg.141)#message-types
ThanksVasilMichev