1. Find settings from your androind device
2. Tap on "Add Account"
3. Select "Email"
4. Enter information according to your setting (replace domain.com with your own domain name)
5. Select IMAP type of account for your android device. (IMAP is recommended if you're using multiple device)
6. Set the incoming and outgoing server setting accordingly. Replace "yourdomain.com" with your own domain
7. Set your preferred sync option
8. Set your account naming and display name, and you're done.