You can add a cPanel email account to your Apple IOS mobile to view and sync your emails on the go.

1. Open the Settings app.
2. Scroll down to Passwords and Accounts.
3. Tap Add account
4. When presented with a list, tap Other.
5. Then choose Add Mail Account.
6. Input the following information:
   • Name: A name for the account (e.g.. Zebra Cloud Mail)
   • Email: the email address
   • Password: your ZebraMail password
   • Description: a description of the email account (e.g. dev work)
7. Once you input all required information - tap Next.
8. Choose IMAP.
9. Enter any relevant information asked for
10. Scroll to outgoing SMTP and enter the following details:
    • Hostname: You domain name such as example.com
    • Username: Your full email address. Such as you@example.com
    • Password: Your email password.
    • Use SSL: Off
    • Authentication: Password
    • Server Port: 587

If you want to use SSL then check the port under your cPanel email configuration details. You can find these details under your cPanel » Email » Your Email Configuration.