We answer within 24 hours, every day. No phone tree, no chatbot pretending to be a colleague.
Faster than this form: use Settings → Contact Support inside the app. If you open the fax you're asking about first, we receive its transmission log, terminal status code and fax ID automatically — which usually means the first reply solves it instead of asking you for details.
The fax or receipt ID if it's about a specific send, the number you were faxing to, and roughly when. You don't need to explain the error message — we can see it.
For a Business Associate Agreement, team plans, high-volume pricing or a port you'd like checked first, pick that subject below. BAAs are countersigned within two business days.
Found a vulnerability? Write to security@faxproof.com. We acknowledge within one business day and won't pursue anyone who reports in good faith.
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