What Fax from the desktop does is eliminate three of those steps. Faxing is almost always cheaper than sending a document through mail. The table below outlines this. Faxing is also much quicker. A 10-page document can take as little as 5 minutes to be sent anywhere in the world.
Mailing is at best a one-day wait.
Faxing from the desktop is also much more convenient. Mailing a document requires at least 5 different transactions to take place, whereas faxing may only require 1 transaction. Fill in the recipient information. Going to the Options tab and checking the confirmation report box does this. This toggle only needs to be set once.