I would like to send a fax from my email. How can I do this? I've seen some online fax services however they seem to only offer faxing from a website or from their software.
There seem to be many providers offering this. For example, MetroFax states that their service is email based for sending and receiving:
I've also found a decent list of services, which looks to have been updated recently.
No personal experience with these, but it seems what you're looking for is available.