You will need to ensure that all the fields are completed:.At this point, you should see an additional popup window with a place for you to add additional settings.On the Add a Mail Account screen, enter your name, the email address and the email account’s password.On the “ Choose a Mail account provider” screen, select the radio button next to Other Mail Account and click the Continue button.Launch Mail by clicking on its icon in the dock.For help with general email account settings, see How To Set up Any Email Client.Need instructions for an older version? Try How To Set up Email in OS X 10.5.These instructions are intended specifically for setting up a new email account on Mac Mail under OS X 10.11.1 (El Capitan).
