Add an Email Account in Mac Mail
Open Mail
Select Mail > Add Account...
Choose Other Mail Account... and click Continue
From the Add Account window, enter your Name, Email Address and Password
Click Sign In
Enter Mail Server Settings
- Enter Email Address
- Enter your correct User Name (ex: myemail@dtccom.net) and Password
- Select IMAP from the drop-down
- In the Incoming Mail Server field enter: pop.dtccom.net
- In the Outgoing Mail Server field enter: smtp.dtccom.net
- Click Next
Ensure Mail is checked and press Done