Apple Mail

Launch your Mail app, then from the Mail menu, choose "Add account..."

Choose "Other Mail Account..." and click Continue

Jane Doeemail@example.com********

Please fill in the fields, and click "Sign In". It will fail.

email@example.comemail@example.commail.emessage.emailmail.emessage.email

Add the missing server details, and Sign In again

"Mail" is all that is required

And you are done. You'll find your new account listed under "All Inboxes"