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eFax user guide

eFax is a simple and effective way to send faxes. It’s a hosted solution that allows faxes to be sent and received by email. So you don’t need a physical fax line, phone line - or even an office. Learn more about eFax


eFax offers a fully functional email-to-fax service. Faxes can be sent with a cover page (using the email body) or without. Both types requires specific parts:

  • To:
  • From: Faxes must be sent from a registered email address for billing and security reasons.
  • Subject/Reference: The subject line of the email which can be a personal reference.
  • Fax Document: This is the attached PDF, document or image file that you want to send. Multiple attachments will be sent as a single job with multiple fax pages. Once the fax has been sent, you’ll receive a confirmation report on the job’s results in your email inbox.

Email to Fax is a simple way of sending electronic faxes over the internet. If your email address is registered with eFax, you can simply:

  1. Open your email client (e.g. Outlook)
  2. Add the the fax number you are sending in the “ To” field of your email (eg
  3. Attach the fax document(s) you want to send.

Make sure you have formatted the “To” email address correctly.

Below is the default formatting of an email. It must begin with ‘0’ for national faxes or ‘00’ for international faxes. If you have requested special formatting of the “To” field, your options may be different.

To send a national fax: [Area Code][Fax Number] displayed as:

To send an international fax: [Country Code][Area Code][Fax Number] displayed as:

Attached files/documents will be faxed in the order they were attached to the email. Your attached fax document can be a range of formats, including:

  • Microsoft Office® documents: doc, docx, ppt, pptx, xls, xlsx, etc

  • Openoffice/Libreoffice documents: odt, ods, etc

  • Adobe® Reader documents: pdf, etc Image file types jpg, gif, tif, bmp, etc
  • ...and more: txt, html, etc

After every fax transmission, eFax can optionally send an email report on the job’s results.

The report can include features such as:

  1. The time and date it was sent
  2. The fax number it was sent to
  3. Delivery status and result (e.g. success or failure and the reasons for any failure).

Each registered email address can have a range of report options. You can request email reports for all jobs; success or failed. You can also request reports on failed jobs only. Or you can disable reports all together.

If you’re using an API, reports can also be delivered over their chosen medium.

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