Ifax App Customer Service Number

  • Fax communications serve a vital role in many of today’s businesses. Though our clients come from a diverse range of industries, they all have one thing in common: they rely on us to make sure the faxes never stop.
  • EFax is the global leader in online fax. Send & receive faxes by email. Get a local, toll-free or international fax number. Fax from anywhere with our mobile app. Use unlimited storage. Find out why eFax is the leading online faxing service or find the best plan for you by calling (800) 958-2983.


Unlimited Emails

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

IFax Plans Select a plan or get a quote. Contact Support. Send your first fax 256-bit encryption. Real-time notifications. Start recieving faxes Get a local number. Configure notifications. Get A Fax Number. Canon's award-winning, 100% U.S.-based, friendly, and knowledgeable Customer Service team provides expert assistance for every level of experience. The imageCLASS MF445dw device comes with a three-year limited warranty, giving you the support, peace of mind, and value your business deserves.

Unlimited Attachments

Ifax App Customer Service Number United States

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

Download Past Faxes

Fax documents are kept on file for 60 days for you to access, download or review

Fax From Anywhere

Login to your account from any device and send faxes while you are on the go!

Email to Fax

Send and receive faxes by email when you use the email: [email protected]

Ifax App Customer Service Number

No Page Limits

Send as many pages as you need without any limit restrictions

Built to Give You Options & Control

QuestBlue is committed to delivering high-performing products and solutions through continuous innovated & operational excellence.

Text Options
File Formats

Fax from your own email, the API, or our standalone browser client

Enjoy an Instant Setup with No Hassle

See how easy it is to setup your account!

Can I use my Fax Machine on iFax.pro?

The short answer is no. The iFax.pro platform is part of our Pro line. A web-based fax solution that does not have QuestBlue branding or contact information.

Can I have multiple users in my fax program?

No, not with iFax.pro however we do have that available in Enterprise.iFax.Pro. Enterprise.iFax.Pro offers a manager login with the ability to manage other fax users and fax numbers.

Is there an HTTPS adapter that I can use with my fax machine?

QuestBlue has an arrangement in place for you to be able to use your Audiocodes HTTPS fax adapter with our platform. Contact us to learn more. An ATA is not supported by iFax.Pro as that is a voice adapter designed for voice. You can connect an ATA to your PBX or directly to our SIP Trunks and attempt T.38 however that is not the iFax.Pro platform and cannot be used in conjunction with iFax.Pro.

How do I send the fax from my email account?

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.

To: [email protected]

From: [email protected]_address.com

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)

Ifax App Customer Service Number 1 800


Upon submission, our system will reply with a confirmation or rejection notice.

with iFax.Pro.

Can I email to fax and fax to email with iFax.Pro?

Yes, we fully support fax to email and email to fax with this server.

Do I need to purchase any special equipment to use iFax.Pro?

No, iFax.Pro can be used in the web interface or with email to fax and fax to email.

Can I Fax International with iFax.pro?

No, not at the moment. You can however receive a fax from anywhere in the world.

Can I get a fax number in other areas even if I don't live there?

Yes, you can order a fax number from just about any location in the North American Numbering Plan, NANP.

“The Longer I use QuestBlue, the more I like this company and how much they care about the customer and doing it right. I have had the opportunity to work with several of the staff & support members, and I will say they are extremely knowledgeable about what they do.”

“QuestBlue is the gold standard of VoIP services. We have NEVERbeen down. We build command vehicles for Emergency Responders, Police, Fire, and Military Agencies. We use QuestBlue because our communication needs are an absolute priority during natural disasters & major events.”

“At QuestBlue, they actually answer the phone and I have not had one issue with the process and their portal is better. Since my move, I found the QuestBlue Portal to be easier, faster and all for a lower cost.”

Get the HylaFAX support you need from the experts at iFAX Solutions! As the core members of HylaFAX Open Source and the makers of HylaFAX Enterprise Edition, we support both platforms for your mission critical faxing.

Get Help Now

HylaFAX and HylaFAX Enterprise support are available to customers with an annual support plan, or who have purchased per hour support. Please use the form below or call 215-825-8700 ext. 2 to create a new support ticket.

* For customers who have not yet purchase a support plan or per hour support, please contact our sales department to discuss available support options.

Phone:215-825-8700 ext. 2
Hours: Monday – Friday from 8:30am – 5:30pm EST.