I've been using
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for prepaid LD for years, and they
> offer a product called MessageOne that can receive voice and fax
> messages and send them to an email address. I've only been able to
> get one number per account, the system picks it for you, and it's
> $1/month for the service, but that's better than some of the
> alternatives. The only connection I have to them is as a customer.
> I'm not aware of any other truly 'free' providers, although I haven't
> looked in about a year.
> Good luck, and let us know what you settle on!
> Joshua
I second OneSuite's fax services, been using them for a few months now with no hidden surcharges. Good luck!