This tutorial details how to block incoming faxes based on fax number.
Info, Notes and Warnings
This affects the entirety of the etherFAX account where this is applied. It cannot be made specific per the etherFAX number being dialed on the account as it is a global setting that affects all etherFAX numbers on the account where the block placed.
Prerequisites
Before reading these instructions be sure that the following prerequisites are met: