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

Question

Where&nbsp;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&nbsp;the same on the email enabled on-premise SGs&nbsp;and&nbsp;distribution groups?

vasilmichev · Answer

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:
&nbsp;
AcceptMessagesOnlyFromAcceptMessagesOnlyFromDLMembersAcceptMessagesOnlyFromSendersOrMembers
RejectMessagesFromRejectMessagesFromDLMembersRejectMessagesFromSendersOrMembers
RequireSenderAuthenticationEnabled
&nbsp;
And you can also use Transport rules.

janine civitate · Answer

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

adam deltinger · Answer

Connect to Exchange Online powershell:&nbsp;https://docs.microsoft.com/en-us/powershell/exchange/exchange-online/connect-to-exchange-online-powershell/connect-to-exchange-online-powershell?view=exchange-ps&nbsp;&nbsp;Then see the following link:&nbsp;https://docs.microsoft.com/en-us/powershell/module/exchange/users-and-groups/set-unifiedgroup?view=exchange-ps&nbsp;/ Adam

janine civitate · Answer

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

adam deltinger · Answer

No problem :)

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

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