Add E-mail Aliases to Your Office 365 Distribution Groups

If you’ve set up distribution groups on Office 365, you will notice a section in the DG ‘details’ page titled ‘E-Mail Options’… under this title is the following text:
“The group can receive messages sent to the following addresses.”

From this, you can safely assume that it is possible to add e-mail aliases to the group so that the group can receive e-mails sent to several different e-mails.
Sadly, there is no easy way of actually doing this via the UI so it must be done via a PowerShell command…

  1. First make sure you have the remote signed execution policy set to true. You can do this by running PowerShell in admin mode and running: Set-ExecutionPolicy RemoteSigned
  2. Next, run the following to authenticate your self and import PowerShell commands to your local session:
    $LiveCred = Get-Credential
    $Session = New-PSSession -ConfigurationName Microsoft.Exchange-ConnectionUri -Credential $LiveCred -Authentication Basic -AllowRedirection
    Import-PSSession $Session

Add an e-mail alias to an existing distribution group

Using the above command, you can set any number of aliases for a single distribution group. Simply comma separate the e-mail list and you should be fine.

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