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Allowing user to send from multiple email addresses

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Good morning.


I am migrating a few domains to an Office365 account. I have about 4 or 5 domains currently, and only (currently) one account. 


I would like to be able to set up this account to send from multiple addresses (for example: Users main address is user@domain1.com, but also gets email from user@domain2.com, user2@domain2.com, etc. User should be able to respond to an email and make it come from user2@domain2.com, or user@domain1.com). 


I found some links about SendAs permissions, but these seem to be if i have multiple mailboxes, and allow user1 to send email on user2s behalf, but i dont have a user2... user2@domain2.com is an alias to user1...


Any ideas of how to do what i need to do? is it even possible?


Thanks in advance.


--Tiernan

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Verified Answer
  • right, i found what i was looking for... seems you create new groups for each "alias" you want to send from, and then give permissions to the users... now to automate it in a script...

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  • right, i found what i was looking for... seems you create new groups for each "alias" you want to send from, and then give permissions to the users... now to automate it in a script...

  • right. here is some quick PowerShell commands to do what i needed:

    new-distributiongroup <groupname>

    set-distributiongroup -primarysmtpaddress <newaddress>@<domain> <groupname>

    add-recipientpermission <groupname> -accessrights sendas -trustee <user>

  • Hello Tiernan,

    Thank you for posting the method by which you were able to set that up.  That's exactly what I would say, but you beat me to it.  Good work on your research.