Sorry to hear that. We're having some load issues but we should have everything stable shortly.
The outage doesn't reflect poorly on your site IMO, it just demonstrates the quantity of people who appreciate what you're doing. Thank you for looking into making it better though!
I got the same error, but I refreshed the page 4 times (resubmitting the form each time) and it finally worked.
When I click "Send it Now" nothing happens
This happened for me. Then I reloaded the page.
Joseph here, cofounder of HelloFax. We got a massive surge of traffic from this and we're adding another instance to deal with this. Will be running smoothly shortly.