title: Whats the difference between Mail and EmailAddress
body: <p>When I run a command below using Active Directory Module we get mail, EmailAddress attribute. What's the difference between them and why do they exist. I am asking this in terms of ActiveDirectory and Exchange.</p>
  
  <p><code>Get-AdUser TestUser -Server Test.com -properties * | FL SamAccountName, Mail, EmailAddress</code></p>
  
  <p><strong>Output:</strong><br/>
  SamAccountName : TestUser<br/>
  mail           : TestUser@Test.com<br/>
  EmailAddress   : TestUser@Test.com<br/></p>