CMMC and Faxing Defense Contract Information — Read This First
The Cybersecurity Maturity Model Certification (CMMC) verifies that defense contractors protect Federal Contract Information (FCI) and Controlled Unclassified Information (CUI), built on NIST SP 800-171. CMMC certifies your environment, not a single tool. Send FAX Mail offers encryption, MFA, and audit logging that map to several practices — but CUI handling has boundary requirements a standard fax service does not meet.
CMMC Requirements for Fax
- Meeting CMMC Level 1 (FCI) or Level 2 (CUI) practices, largely drawn from NIST SP 800-171
- Third-party (C3PAO) assessment for most Level 2 CUI handling
- Encryption of CUI using FIPS-validated cryptography
- Multi-factor authentication for access to systems handling FCI/CUI
- Audit and accountability logging of access and actions
- Compliant system boundary — DFARS 252.204-7012 expects FedRAMP-Moderate-equivalent cloud for CUI
How Send FAX Mail Meets CMMC
- AES-256 encryption of faxes in transit and at rest, supporting the confidentiality practices
- Multi-factor authentication (TOTP) and SSO for access control on the fax application
- Per-user roles so only authorized staff send and open faxes
- A per-fax audit trail (sender, recipient, timestamp, delivery status) for audit-and-accountability evidence
- Configurable retention and secure purge of stored faxes
- Honest scoping: Send FAX Mail is not CMMC-certified, does not attest FIPS-140 module validation, and does not claim a FedRAMP-authorized or GovCloud enclave — CUI likely needs an authorized environment we do not provide by default
Industries Affected
Starter
- 600 fax pages per month
- 1 dedicated fax number
- Send & receive faxes
- Fax to email delivery
- Fax history & downloads
- No per-page overage charges
Professional
- 2,000 fax pages per month
- 3 dedicated fax numbers
- HIPAA compliance + self-serve BAA
- Sign documents before sending
- Priority delivery
- No per-page overage charges
Business
- 5,000 fax pages per month
- 5 dedicated fax numbers
- HIPAA compliance + self-serve BAA
- Public API & webhooks
- Audit logs
- Team roles & permissions
- Priority support
Enterprise
- 8,000 fax pages per month
- 10 dedicated fax numbers
- Everything in Business
- Public API & signed webhooks
- Dedicated support
- Custom integrations
No per-page overage. No activation fees. No contracts. Cancel anytime.
What’s current · as of August 2026
- HIPAA large-breach reporting threshold
- 500+ individuals — reported to HHS OCR without unreasonable delay Source: HHS Office for Civil Rights
- HIPAA documentation retention period
- 6 years from creation or last-effective date Source: HHS — HIPAA Administrative Requirements (45 CFR 164.316)
Recent updates
Federal interoperability rules keep pushing healthcare past the fax machine
CMS has advanced a series of interoperability rules that press hospitals, payers, and providers toward electronic data exchange and standardized claims attachments. The direction of travel is clear: paper and analog fax workflows are being replaced by digital transmission that carries an auditable record — which is exactly what a cloud fax with delivery confirmation provides for offices not yet on a full EHR pipeline.
CMS →Federal agencies still write fax into new rules and notices
The Federal Register — the daily journal of U.S. federal rulemaking — regularly publishes rules and notices that reference fax as an accepted or required submission channel for filings with agencies like the IRS, SSA, and CMS. That is why fax remains a live requirement for many official forms even as electronic portals expand.
Federal Register →Healthcare breach reporting keeps document handling under scrutiny
Ongoing reporting on HIPAA breaches and OCR settlements underscores how much scrutiny falls on how medical documents are stored, sent, and received. Sending records through a controlled, access-logged channel rather than an unmanaged machine reduces the mishandling risks that show up repeatedly in breach analyses.
HIPAA Journal →
CMMC Fax Compliance — FAQ
CMMC certifies your organization's environment through an assessment, not an individual product. Send FAX Mail is not CMMC-certified, and using it does not make your company certified. It can serve as one supporting control within a scoped environment your assessor reviews.
Be cautious. DFARS 252.204-7012 generally expects CUI in the cloud to sit in a FedRAMP-Moderate-equivalent environment. Send FAX Mail does not claim FedRAMP authorization or a GovCloud enclave, so it is not the right place for CUI unless your assessor confirms your scoping. It fits better for FCI-level or non-CUI communications.
Its AES-256 encryption, MFA, per-user access control, and audit logging map to access-control, identification-and-authentication, and audit-and-accountability practices for the fax application. It does not cover the many practices that live in your network, endpoints, and policies.
Level 1 covers Federal Contract Information; Level 2 covers CUI and usually requires a C3PAO assessment. The level depends on the data you handle, not the tool. Send FAX Mail can support Level 1-style FCI communications; for CUI, confirm the environment with your assessor before faxing.
CMMC-compliant faxing starts at $39.99/mo
Encrypted transmission, audit logs, secure storage. No enterprise contract needed.
7-day free trial · No credit card required