The most basic aspect of administering any messaging and collaboration is configuring the vast and varied settings that relate to recipients. First, the user account must be "mailbox enabled," which means we need to create a mailbox on the mailbox database for the user account. To do this, we need to use the Enable-Mailbox cmdlet. This is illustrated here:
Enable-Mailbox -Identity nwtraders\MyNewUser -Database "mailbox database"
When this command is run, you will get a prompt back that is shown here. It tells you the name of the user account, the alias assigned, the server name on which the mailbox database resides, and any quota restrictions applied to the account.
Name Alias ServerName ProhibitSendQuota ---- ----- ...