Fax.info?s Web Fax for Beginners
Learn about web faxing and discover how a web fax service works. Sending a web fax is as easy as sending an email.
http://fax.info
eFax - Email Fax Services
eFax Corporate is the leader in enterprise faxing solutions.
http://www.efax.com/
Compare a typical email fax service against a typical fax machine.