How to Send as Distribution List in Office 365 Exchange Online

First step

You will need to connect to Exchange via PowerShell, see our previous post on how to do it.

How to Connect to Exchange Online using remote PowerShell

Second Step

Add the to the Distribution list with the following command:

Add-RecipientPermission -Identity -Trustee -AccessRights SendAs

See Screenshot below:


You can also verify permission using the next command: Note this command can be used to check permissions on DLs and mailboxes.

Get-RecipientPermission -Identity | Select Trustee, AccessControlType, AccessRights