- Goto Add Account.. option from Mail Menu of apple Mail.
- Select Add Other Mail Account… then click on Continue
- Add a Mail Account details: Name, Email and Password then click Create
- Add Incoming Mail Server Info : Select IMAP in account type, then Enter your IMAP Mail Server address, Your full email address as User Name and password then click Next
- Verify Certificate : If you have configure SSL on your imap and if it is self signed certificate then you might get this additional box, Just click Connect.
- Outgoing Mail server Info : Just Enter your SMTP mail server details then click Create