1. Open the Mail App from your PC. Click on Add Account
2. Choose"Advanced Setup".
3. Then choose"Internet Email"option.
4. On Next window, you will have to fill your E-mail login details as per the information given below.
Email Address: Full mailbox name
Username: Full mailbox name
Password: mailbox password.
Incoming email server: mail.yourdomainname.tld
IMAP Port: 993 (Recommended)
POP3 Port: 995
Outgoing email server: mail.yourdomainname.tld
SMTP port: 465
5. Click Sign in.
Your Email setup is completed and ready.