eFax is the global leader in email fax and voicemail services for individuals and businesses. eFax offers fax numbers in over 2,000 cities around the world to send and receive faxes digitally via the internet without a fax machine and receive voicemail via email. Messages are received as email attachments directly in email inboxes. Users can send and receive faxes from anywhere they have access to email and the Internet - from their desktop, laptop, PDA or smart phone.