Using the Office 365 Groups Send-as and Send-on-behalf feature

The capability to grant Send-as and Send-on-behalf permissions to an Office 365 Group is a straight forward process and clearly documented here.

Sending an email on behalf of an Office 365 Group via Outlook is the same familiar process as sending on behalf of another user – show the “From” field, click the “From” drop down, choose “other email address” and select the address. read more