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1947 Evans Road Cary, NC 27513 +1 (919) 443-1617
Offering you the most reliable virtual fax service with a modern, easy-to-use portal

Welcome to World of iFax.Pro

Unlimited Authorized Emails

Add an unlimited amount of authorized emails to send and receive faxes from.

Unlimited Attachments

Send as many attachments at one time with using the portal or your email platform.

Downloadable Past Faxes

Fax documents are kept on file for 60 days for you to download and view.

Virtual fax from Anywhere

Login to your account from any device and send faxes from anywhere while on the go.

Email to Fax

Send and receive faxes by email when you use the email:

No Page Limit

You can send as many pages as you would like! (Longer faxes will take longer to send)

Add your Email

Add the same email to as many iFax accounts as you want.

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Send and receive faxes anywhere

in the world!

Whether your fax document contains dense text with embedded images or you want to send it as a Word document, PDF or JPG, our TDM-based network gets it there fast, when you need it. You choose whether to fax from your own email client, the API, or from our proprietary standalone browser client.

Success Rate

Here's the difference

The difference between iFax.Pro and Enterprise iFax is the benefit of being able to create a group using Enterprise and have multiple users. 

If you have multiple users that would want to utilize our iFax Enterprise services, go to our page about iFax.Pro Enterprise by clicking the button below.
iFax.Pro Features
Fax Portal
Selection from a large inventory of DIDs
Solid TDM network (not fax over VoIP)
Ability to send a one-page fax in seconds
Lowest Virtual Fax rates around
Ability to send faxes to multiple email addresses
No activation fees or additional charge for Toll-Free numbers
Formats faxes as a PDF file that fits most computer and smartphone screens
Here's How to Use iFax.Pro:
Step-by-step Instructions:
Before you are able to go through the iFax portal, you will need to create an account of your own. Here's how to do that:
-Start by logging into your customer portal and going under the "Services" tab at the top
-Go to iFax and then click "iFax.Pro"
-Click "Order iFax DID" on the right of the page and there you will be able to setup a DID and login for your iFax portal.
1. Login to your iFax.Pro account and once you're in, you'll automatically be brought to this screen below.
- You're going to click the button "Add Files" and then find the file you want to add.
- Once you have selected the DID, put in the "Destination Number", selected the "Notification Email", and selected if you want to add a cover, proceed to click "Save".
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2. Confirm you have attached the correct file you would like to send by previewing the PDF, along with all of the other information included.
 - Click "Send" when ready. (Large faxes take longer to send)
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3. You will notice that there is "No Notification" yet and that it is still sending. Once it has delivered to the person you are sending the fax to, you must reload the page and it will say "Sent". However, it will NOT say if it has been opened or not.
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4. To add a notification email, go to "Configuration", then click "Authorized Emails"
 - Click the button in the top right corner, "Add Authorized Email" or click the drop down arrow and select "Add Multiple"
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5. If you selected to add only one email, enter the email address, and choose whether or not you would like this address to be able to receive and/or send.
 - Click "Save" when done.
6. If you selected to add multiple emails, enter one email per line, then choose whether or not you'd like this address to be able to send and/or receive.
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Here is how to send an email-to-fax:

1. To send a fax using our Email-to-Fax service simply send an email using the following parameters. Email-to-Fax supports up to 5 attachments.
      -Attachments may be sent in JPG, PNG, BMP, PDF, MS Word, MS Excel & Plain Text formats.
2. To:
3. From:
4. Subject: your_10_digits_vfax_number
     -{You may now add 'cover page' to the subject line to have our system utilize the email body as a cover page)
5. Body:
     -Upon submission our system will reply with a confirmation or rejection notice.
Please contact QuestBlue today if you are unsure which faxing solution will best fit your needs.