Open Outlook. Input your email address. Click Advanced options, then tick Let me set up my account manually.
Choose IMAP icon.
Input account password. Then click Connect.
It will show a error message. Then choose Change Account Settings.
Input below information:
Incoming mail server: mail.yourdomain.com with port 143, choose None for encryption method. (please replace yourdomain.com by your real domain)
Outgoing mail server: mail.yourdomain.com with port 465, choose SSL/TSL for encryption method. (please replace yourdomain.com by your real domain)
