This document provides instructions for sending a fax from a Gmail account using Popfax.com. It outlines composing an email to mail2fax@popfax.com with the security code from your Popfax account in the subject line. It instructs to include the fax numbers in the message body and attach the document to fax. It notes that clicking send will transmit the fax and a report will be received and stored in the Popfax online account.