Why Online Faxing Is Better Than Email: The Real Reasons

Online faxing beats email for security, legal compliance, and proof of delivery — and it's not even close for regulated industries. Here's the data behind why 75% of healthcare organizations and 69% of law firms still fax in 2026.

Frequently Asked Questions

Why is faxing considered more secure than email?
Fax transmissions travel point-to-point and carry no executable payloads, eliminating phishing, malware, and Business Email Compromise attacks. The FBI recorded $2.77 billion in Business Email Compromise losses in 2024 alone — there is no equivalent "Business Fax Compromise" category because the attack vector simply doesn't exist at scale. Modern online fax services like [mFax](https://mfax.to) add TLS transit encryption and AES-256 storage encryption on top.
Why do healthcare providers use fax instead of email?
Unencrypted email transmitting protected health information (PHI) is presumptively a HIPAA violation. Standard email (Gmail, Outlook) lacks the end-to-end encryption and Business Associate Agreement required for compliance. Fax is inherently point-to-point, never rests on public servers in plaintext, and HHS explicitly recognizes it as an acceptable channel for PHI with reasonable safeguards. Over 70% of US healthcare providers still use fax for referrals and record transfers.
Are faxed documents legally binding?
Yes. Courts have accepted fax signatures and fax transmission reports as legal evidence since the 1990s. A fax confirmation page provides a machine-generated, time-stamped, tamper-resistant record of delivery — something email cannot match natively. Under the ESIGN Act and UETA (adopted by 49 states), faxed signatures satisfy the requirements for a legally binding agreement.
Is online fax the same as email for legal purposes?
No. While email and fax are both covered under ESIGN/UETA for general contracts, fax carries advantages in regulated contexts: it generates an automatic delivery confirmation, is immune to spoofing attacks that affect email, and is explicitly accepted by agencies like the IRS, SSA, and many state courts. For sensitive or deadline-critical documents, online fax provides stronger proof of delivery than email.
Can I replace email with online fax for business documents?
Online fax complements email rather than replacing it. Use email for day-to-day communication, links, and collaboration. Use online fax for documents requiring proof of delivery, HIPAA compliance, legal filings, government submissions, or any situation where a fax is explicitly required by the recipient. [mFax.to](https://mfax.to) makes switching between both seamless from your phone or browser.