You can both receive and send faxes via an Internet connection:
Receiving faxes with Fax2Mail
After registration for the service, you'll receive a 086-number, linked to your email address. When someone wants to send you a fax, they dial this number, hear a fax-tone, and will send you the fax. You'll receive an email with the fax as a .pdf attachment.
Click here to read more and to register.
Sending faxes with Web2Fax
Web2Fax is accessed via the Internet enabling you to send faxes to a landline / conventional fax machine. You open the website, login and the application will ask you for the destination fax number. Confirmation of the delivery of the fax to that number will be sent to you via email.
Click here to read more and to regsiter.