How Do I Send Faxes by Email with eFax? How Do I Send Faxes by Email with eFax? To send a fax, simply email your file and eFax® will convert it into a fax before sending it on its way. Follow these 4 steps: Create a new email message. In the "To:" field, enter the recipient's fax number followed by @efaxsend.com. For example: To send to the U.S. fax number +1 323 555 1234, enter 13235551234@efaxsend.com where 1 equals the country code; 323 is the area code; and 5551234 is the fax number. When sending a fax to an international number, use the complete destination fax number, including the country code, city code, and local number.For example, to send to the UK number +44 (0)20 7555-1234, type 442075551234@efaxsend.com, where 44equals the country code; 207 is the area code; and 5551234 is the fax number. For a complete list of country codes, please click here. Attach the file(s) (10 maximum) you would like to send as a fax. To include a cover page, type the text in the body of the email message. (The body works as your cover page.) Or you can choose from a selection of cover page templates. Click Send.