Number wouldn't port. We couldn't port our existing fax number. We liked the software, but it wasn't worth the amount of work that would go into changing the fax number everywhere for a doctor's office, nor did we want to pay for two services so that we could forward our number.

Terrible They have no tech support. No one answers the phone or responds to emails. Unable to renew our account online so now my account is locked. They now have our fax numbers hostage. User interface is form the 90s. Stay Away from this company.

Excellent service. Reliable. Secure. I am not a heavy user of secure fax, however I am a critical user. I chose Sfax because it was the only one at the time which offered HIPAA security and also didn't require a big buy-in or monthly fee for occasional users. The security is still there but recent changes have made it less practical for occasional users like myself. If that does not apply because you are a business user, I can recommend Sfax without reservations.

It's OK It's OK. They don't have business plans that will benefit businesses. They charge lots of money for overage. I pay more in overage than plan. I provided them an opportunity to partner with my EHR company so that their software can be invoked from within EHR. They didn't care.

SCAM COMPANY SCAM COMPANY. Signed up for a free trial. Immediately unimpressed by the interface. I emailed to cancel the same day and called. No one picks up their phone. It's a voicemail. Fast forward 10 days, two emails, two unreturned voicemails later, they've charged my credit card despite my requests to cancel. I'm disputing with my credit card company.