How to set mail do not forward with Graph Api?

Question

I want recipients cant forward the mail what I send with graph api .Could you tell me how do it?

Answer 1

Im not aware of any way to do this with graph.

Typically message encryption ( and to prevent forwarding per message) is handled by 365 this way:

https://learn.microsoft.com/en-us/purview/ome

https://learn.microsoft.com/en-us/azure/information-protection/configure-usage-rights#do-not-forward-option-for-emails

Also see:

https://learn.microsoft.com/en-us/answers/questions/1379998/graph-api-and-email-sending-way-to-enable-encrypt