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Email-to-fax lets you send documents as a fax by emailing them to a dedicated fax address. This is useful when you want to fax quickly from your email client or automate faxing via email.

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Overview

With Email-to-Fax, you can:
  • Send a fax from any supported email client
  • Control who is allowed to send faxes by email
  • Use email subject and body as fax cover page content
  • Attach documents to be delivered as fax pages

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Enable and configure Email-to-Fax

  1. Go to Settings → Fax Settings -> Email to Fax.
  2. Choose who is allowed to send faxes via email:
    • Not allowed
    • Account users only
    • Anyone with a verified domain
  3. If domain-based access is enabled, add and verify allowed domains.
  4. Save your changes.
Only emails sent from allowed and verified domains or users will be processed.

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How to send a fax via email

  1. Create a new email.
  2. In the To field, enter the fax address in this format:
    [faxnumber]@ifax.com
  3. Add a subject (optional).
  4. Write your email body (optional).
  5. Attach your document files.
  6. Send the email.

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Field mapping

  • To → Fax number ([faxnumber]@ifax.com)
  • Subject → Cover page subject (optional)
  • Email body → Cover page note (optional)
  • Attachments → Fax pages
Supported attachments include PDF, DOC, and image files, with a maximum size of 20 MB per email.

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Additional settings

  • Populate cover page “From” field with sender name
    When enabled, the sender’s name is automatically added to the fax cover page.

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FAQs

Access depends on your Email-to-Fax settings. You can restrict usage to account users only or allow anyone from verified domains.
Yes. All attached files are included as fax pages, as long as they stay within the size limit.
No. Both are optional and are used only for the fax cover page if provided.
Emails sent from unauthorized addresses or domains are rejected and will not be faxed.