How to restrict who can send email to cloud O356 group?

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Microsoft

Where one could set or control permission to use/send email to cloud O365 group (we want to restrict who can send), We’re able to do the same on the email enabled on-premise SGs and distribution groups?

5 Replies
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You can use the exact same parameters as with "traditional" groups, only difference is you have to use the Set-UnifiedGroup cmdlets. The parameters are:

 

AcceptMessagesOnlyFrom
AcceptMessagesOnlyFromDLMembers
AcceptMessagesOnlyFromSendersOrMembers

RejectMessagesFrom
RejectMessagesFromDLMembers
RejectMessagesFromSendersOrMembers

RequireSenderAuthenticationEnabled

 

And you can also use Transport rules.

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Thanks for this info Vasil. For a non-techie, can you explain how we would set these send permissions? 

 

Thank you!

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Thanks Adam! I'll connect with my IT dept for support :)

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