Sending and Receiving a Fax from Email

eFax enables you to send and receive faxes directly from your email.

NOTE: This feature will only work from an email address associated with an enabled fax account in the Hosted Voice solution.

To send a fax using email:

  1. Open the email client for the email address associated with the eFax account.
  2. Compose a message. To find your sender address, please contact your Hosted Voice administrator.

The full email address should appear as 11digitnumber@<fax.fqdn>
(i.e., For example,

NOTE: It is important to always include the full 11 digits when sending a fax to any number in the US or Canada.

Below is a sample fax cover

3. If needed, attach one or more documents to the fax email.

When sending a fax from email, you can attach one or multiple documents, with one or multiple document types. For example, you can attach a .pdf file and a .docx file in the same fax email. The supported file types include:

  • Image Files (TIFF, GIF, PNG, JPEG)
    • Adobe Acrobat Files (PDF)
    • Microsoft Office Files (DOC, DOCX, XLSX, PPTX)
    • Text Files (TXT, RTF)

TIP: If you create a file using a scanner or print to file, always choose the ‘black and white’ option for the output.

Each document you attach is converted to a faxable format, then sent to your destination fax number.

4. When you are ready to send the fax, click the Send button in your email application.

NOTE: After document conversion to fax, the total document file size limit is 10MB. If the fax exceeds the file size limit, you will receive a non-deliverable or NDR message in your email inbox like the following message:

Updated on September 8, 2021

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