1. Go to Settings > Accounts > Add Account > Personal (IMAP)
2. Enter your email address here like below then tap NEXT
3.Enter your email account password and tap Sign In or Next.
4. Setup your Incoming Server Settings like below.
Username : [email protected]
Incoming Server : mail.yourdomain.com
Port : 143
5. Also add your Outgoing Server Setting and tap NEXT
Username : [email protected]
Outgoing Server : mail.yourdomain.com
Port: 25
6. Your email will be setup now.
Note : If you setup SSL then use the following.
IMAP Port (Incoming) : 993