Create Exchange Mail Contact using Powershell How to create an Exchange Mail Contact using Powershell one liner. To create the new Mail Contact run the following in Exchange Shell. New-MailContact -Name “Lazy-Mails” -ExternalEmailAddress “LazyAdmin@Gmail.com” -OrganizationalUnit “OU=Contacts,DC=LazyAdmin,DC=com”   Quick and easy . #ThatlazyAdmin