Setting up your POP account on Apple Mail on a Mac
Although this is for MacOS 10.14 (Mojave) Mail version 12, in most other versions it’s exactly the same or there are minor variations.
For this guide your domain is yourdomain.co.uk and your email address is firstname.lastname@example.org
Creating the Account
Go to Mail>Preferences and go to the Accounts tab
on the left hand side press +
Select Add Other Mail Account….
Fill in your Full Name, your Email Address (copy it) and your Password
Press Sign In
Mail will return “Unable to verify username and password”
In this screen
Email address should be filled in already
The Username is the full email address
Password should be filled in already
Choose Account Type: POP
Incoming Mail Server is mail.your domain.co.uk
Outgoing Mail Server is mail.your domain.co.uk
Press Sign In
You may get a message; The identity of mail.yourdomain.co.uk cannot be verified, press Continue
You will return to the Accounts tab. Select your account on the left hand side
Go to the Server Settings tab
Uncheck Automatically detect and maintain account settings (IMPORTANT: Mail will change your settings if this is not done). Earlier versions of Mail don’t have this setting.
Return to Account Information tab
Check Remove copy from server after retrieving a message, then choose Immediately from the dropdown unless there’s a good reason for anything else.
Close the Accounts dialogue
You will be asked to save changes, press Save
Go to Window>Connection Doctor and check the connections.