TuxFax is an enterprise-class solution for sending and receiving faxes as emails.
The software is designed around SMTP email relaying architecture. Fax modems may reside on a single machine or multiple machines on a local or remote network and clients can send or receive faxes using their usual email clients.

By sending an email to 71908644@your-local-domain.fax, TuxFax will send a fax document to 71908644 containing the attached document in the mail and the content of the the mail body, the user will get a delivery report via email on sending success or failure.

Receiving fax is as simple as receiving an email with the fax document attached in PDF format.