Yes! You will be able to send and receive e-mail through our servers. We provide both POP3 and SMTP capabilities. The incoming and out going mail servers you need for set up are just mail.yourdomain.com, switch "yourdomain" for your actual hosted domain through us. Your email is always your username and the password you sent is your password. Use passive authentication when applicable.
Additionally, you may use our online webmail applications right from your domain: http://www.yourdomain.com/webmail/