Fax service online that provide many companies today has many advantages. And it is able to send a fax from the internet is a great saving, because it saves line fee, the fax machine and the toner and paper. It is not necessary to create an email in particular, since any type of e-mail is worth. In addition, it is quick and efficient, since the service is activated immediately, it is not necessary to perform any type of maintenance or wait until there is confirmation of shipment. One of the biggest advantages is mobility, since the service is accessible from any place where there is an access point to the internet, and through smartphones without the need of installing any type of program. In addition, although there are electrical or telephone line cuts, fax always available, and can be found in the Inbox of the email address. Security is also one of the strong points of this service. No one can access faxes, except the owner of the email address electronic, and faxes can be encrypted. Faxes can also be stored in a specific folder and an acknowledgement of receipt is always received.