Quick Reference:

POP3: mail.yourdomain.com
SMTP: mail.yourdomain.com
IMAP: mail.yourdomain.com

Username: full email address
Password: your password

Our SMTP (outgoing) server will require authentication with the same credentials as you used to login.

Outlook Express:

Tools > Accounts > Add Mail
Follow the instructions.

To enable authentication on outgoing emails:
Tools > Accounts > Properties > Servers > Tick my server requires authentication.