Wednesday, 13 July 2011

Office 365: Give Send As permission to a user

Send As permission is used when you need to give a user permission to use another recipient's email address in the From address. In order to give Send As permission to a user on Office 365 you need to use Windows PowerShell.
Windows PowerShell is a command-line shell and scripting language that can be used for managing various Microsoft's server products and in this case can be used to remotely manage Exchange Online.

To give Send As permission to a user use these cmdlets:

1.Connect Windows PowerShell on your PC to the Office 365 service:
$LiveCred = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.outlook.com/powershell/ -Credential $LiveCred -Authentication Basic -AllowRedirection
Import-PSSession $Session

2.Grant a user permission to access another user's mailbox:
Add-MailboxPermission <mailbox> -User <user or security group> -AccessRights FullAccess
3.Give Send As permission to users:
Add-RecipientPermission <identity> -AccessRights SendAs -Trustee <user>

7 comments:

  1. I think I saw this feature on Microsoft Outlook. Do they work differently in Office 365?

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  2. Hi Amin. Thanks for this. I just migrated from BPOS to Office365 and it was a lifesaver! :-)

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  3. Thank you very much for sharing this. It was very useful.

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  4. Useful and concise. But what a pain in the arse. Wish there was a UI for this.

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  5. There seems to be issues with giving Send As permission to users on O365.
    I noticed that even though send as permission for some DLs are set correctly (at least listed a ssuch in PS) the server returns error whet user tries to send as DL.

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  6. There is now UI for this task in the Office 365 Admin section (Exchange admin center).

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