This guide explains how to configure your Mac Mail on El Capitan Version 10.11 
The account is used throughout this guide as a substitute for your own account.

Configuration of your email client

The steps below can be used to set up email on your Mac Mail version 9.0.

  1. With Apple Mail open, click Mail from the top left of the screen and then select Add

  2. Fill in your name, email address and password, and click Sign In 

  3. In the new window select Account Type (IMAP/POP). Either option you choose, the same settings apply going forward.
  4. Enter for Incoming and Outgoing Mail server:  (IGNORE the server name below -- use instead.)

  5. Click Sign In. You've completed setting up e-mail on your Mac's Mail app. You can send and receive your email on your email client using a secure connection.