Today, online fax is one of the great utility for making the faster exchange of documents among all the stakeholders. The main reason of its attraction for online users is its easy activation process. It required neither any hardware nor any supporting software unlike of traditional fax machine. There are number of online fax service providers available online, they assign a virtual fax numbers to all of their users. These numbers are used in transferring the fax to the email ids of their client via a linkage between these virtual numbers and users’ inbox. The direct transfer of fax documents into the email account ensures the authorize access of these documents.