Teams allows users to send email to channels via special email addresses. Those addresses aren’t very user-friendly, but you can add them as mail contacts so that channel addresses show up in the Exchange GAL. It’s easy to do and makes it much easier for people to email Teams channels. That is, until someone removes the channel email address…
You can use a public folder to store and share global email contacts, but a better approach is to use Exchange mail contacts. These objects show up in the Exchange GAL and OAB and are available to all Outlook clients (and some third-party clients too).
Now that we know all about the different email addresses used by Office 365 Groups and Teams, the question arises of how to include a team channel as a member of a distribution group. As it turns out, there’s a simple way and a more complicated way.
Exchange Online distribution lists can be used to populate the membership of Office 365 Groups or Teams by applying a little PowerShell magic. Here’s how.
A recent correspondent asked how to find inactive distribution lists in Exchange Online. We didn’t have a good answer in the book, so here’s some PowerShell code to do the trick.