PS: Bulk forwarding mailboxes to external addresses

Sometimes you get a sudden need to forward bulk users’ mail to external destination… in normal days, you would create a mail contact, then forward the selected user’s mail to the new external contact.

Now what if you got a large number of contacts to forward? well, you can either:

  1. Manually create all the required mail contacts, then assign each user to each contact.
  2. OR THE BETTER WAY: Use the magic of PowerShell!

This is a very simple and quick procedure…

First, you will need to create the contacts, which you can find how in the following post: PS: Creating bulk mail contacts

Then with another script, you will forward each user to his corresponding mail contact item:

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PS: Creating bulk mail contacts

Below is a useful script to create bulk contacts in Exchange Management Shell:

You need to have the following prepared before you use the script:

  1. A CSV file contains 2 headers: Name, ExternalAddress, with all the contacts list that you want to create.
  2. Save the CSV file in C:\ (to be completely complied with the script above, otherwise save it where you want, but make sure you specify it’s full path in the script above instead of “C:\NameList.csv”.

To make it a bit easier, here is the script ready, just open EMS and run it from there after you make sure the file is ready…

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