You can download an automatic configuration file from cPanel's email settings (Connect Devices button) page or you can do it manually with the following mail settings. We recommend using the SSL port.
IMAP (Incoming) Server: mail.yourdomain.com
Port: 143 (Non-SSL)
Port: 993 (SSL)
POP3 (Incoming) Server: mail.yourdomain.com
Port: 110 (Non-SSL)
Port: 995 (SSL)
SMTP (Outgoing) Server: mail.yourdomain.com
Port: 25 (Non-SSL)
Port: 465 (SSL)
Username: youremail@yourdomain.com
Password: use the password you set in cPanel > Email Accounts.