About.com, Email
Helps you avoid and filter spam, picks the coolest email software, sees you to the best and biggest free email services and has tips for using email most efficiently.
http://email.about.com/

E-MailAnywhere
Free service that allows you to check your ISP, corporate or individual POP based e-mail account from anywhere in the world. Also offers free webmail services.
http://www.e-mailanywhere.com/