Domain Name Of Your Exchange Server. In settings select the mail section. However you define exchange it can be used to create a memorable domain name.
You just successfully determined Username Domain Name and Server name for Microsoft Outlook Congratulations. Most use 143 or 993 for IMAP or 110 or 995 for POP. To find the server name for Exchange 2016.
In the area labeled Exchange select the account.
Your incoming mail server name. You can use any value that uniquely identifies the Exchange server. However you define exchange it can be used to create a memorable domain name. In the details of your account click the Advanced button.