Exchange
Update Exchange Powershell Module
If you try to update the Microsoft Exchange Powershell Module an get error that your administrator has blocked this application because it potentially pose a security risk to your computer.
ReadPowershell script to change proxyaddresses in bulk
Quick tip to change proxy-addresses in bulk from csv files, and change / adds domains if you are changing email-domain in O365 without local Exchange
ReadLet’s Encrypt certificate on Exchange servers
Create free certificate from Lets`s encrypt to create a Exchange Lab.
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