How to Send a cFax

There are a few methods for sending a fax with cFax.

  • Email to Fax
  • Web Portal
  • FaxBridge
  • Print to Fax

Email to Fax

One of the main features of cFax is the ability to send and receive faxes right from your email. Below you will find instructions on how to do this.

Note: This feature will only work from an email address associated with an active account in our system.

Addressing the email:

To send a fax from email, compose a message from your email. In the To: field, type the 11 digit fax number (ex 18885551212) followed by

It is important to always use an 11 digit fax number when formatting the email. This means you need to include a "1" for faxing any number in the USA or CANADA.

Populating info onto a cover page:

If you have your cover page setting turned on, mFax will automatically take details from your email and populate it directly onto a cover page (how to turn this feature on/off).

Web Portal

  • Log in to
  • Select the Fax option at the top of the navigation bar
  • You will be redirected to the cFax portal
  • Fill in the necessary fields
  • If you would like to include a cover page, you may choose that here
  • If you want to add a tag, click the tag button. You can choose an existing tag or create a new one. This will help you organize your fax history
  • Click Send 



If you would like to use an existing fax machine, contact Cytracom to purchase a FaxBridge device. This device will convert the cFax digital signal to an analog signal that can be printed by the fax machine. Email to order a device.


Print to Fax

The Print to Fax driver is a simple Windows application that allows you to initiate a fax from any application that allows you to Print. 

To get started first, you must download and install the driver

At the end of the installation process, you will be prompted to enter an Authorization Key. This key can be retrieved from the cFax web portal in Settings: API

Under PRINT DRIVER KEYS, type a name for the device you've installed the driver on (you can have multiple devices/keys) and click Generate. This will create a new key. Then clicking Copy will copy the key to your clipboard. Paste the key into the field in the app setup screen and click Authenticate. This will complete the setup of your Print to Fax driver. 




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