--- title: "Email Security by State — US Trucking Index | EFROS" description: "Email-security posture of active US motor carriers broken down by state. 51 states ranked by no-DMARC rate, p=reject adoption, MTA-STS, and DNSSEC. Free, public, source-cited." canonical: https://efros.com/research/us-trucking-email-security-index/by-state/ --- - [Home](https://efros.com/) - /[Research](https://efros.com/research/) - /[US Trucking Email Security Index](https://efros.com/research/us-trucking-email-security-index/) - /By State US Trucking Email Security Index / By State # Email Security by State DMARC enforcement, SPF posture, MTA-STS, and DNSSEC adoption across active US motor carriers in all 51 states — measured via public DNS. Each state page shows per-state risk bands, email infrastructure split, and a national comparison. [California80.1% no DMARC · 36,967 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/california/) [Texas80.8% no DMARC · 32,465 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/texas/) [New York80.6% no DMARC · 22,356 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/new-york/) [Florida79.3% no DMARC · 17,917 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/florida/) [Pennsylvania78.3% no DMARC · 17,184 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/pennsylvania/) [Georgia80.5% no DMARC · 15,569 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/georgia/) [Minnesota79.3% no DMARC · 14,179 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/minnesota/) [Michigan78.1% no DMARC · 13,943 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/michigan/) [Wisconsin77.0% no DMARC · 13,274 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/wisconsin/) [Illinois77.9% no DMARC · 12,352 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/illinois/) [Washington78.0% no DMARC · 11,961 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/washington/) [Massachusetts80.3% no DMARC · 9,925 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/massachusetts/) [Ohio75.9% no DMARC · 11,310 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/ohio/) [Colorado79.0% no DMARC · 10,031 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/colorado/) [New Jersey78.8% no DMARC · 9,844 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/new-jersey/) [North Carolina78.2% no DMARC · 9,256 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/north-carolina/) [Indiana76.3% no DMARC · 9,012 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/indiana/) [Maryland78.9% no DMARC · 7,970 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/maryland/) [Kentucky77.1% no DMARC · 6,201 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/kentucky/) [Alabama79.6% no DMARC · 5,925 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/alabama/) [Oregon77.5% no DMARC · 5,752 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/oregon/) [Arizona79.5% no DMARC · 6,280 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/arizona/) [Iowa73.0% no DMARC · 5,584 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/iowa/) [Utah78.9% no DMARC · 5,271 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/utah/) [Missouri74.5% no DMARC · 6,074 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/missouri/) [Oklahoma78.5% no DMARC · 4,697 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/oklahoma/) [Tennessee75.9% no DMARC · 5,568 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/tennessee/) [Virginia76.2% no DMARC · 5,112 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/virginia/) [Kansas75.6% no DMARC · 4,768 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/kansas/) [South Carolina79.2% no DMARC · 4,191 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/south-carolina/) [Connecticut79.2% no DMARC · 4,450 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/connecticut/) [Nebraska76.7% no DMARC · 4,402 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/nebraska/) [Alaska78.2% no DMARC · 2,305 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/alaska/) [Maine81.0% no DMARC · 2,664 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/maine/) [Idaho78.6% no DMARC · 2,891 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/idaho/) [New Hampshire80.3% no DMARC · 1,970 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/new-hampshire/) [Louisiana72.9% no DMARC · 2,593 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/louisiana/) [Montana76.0% no DMARC · 2,247 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/montana/) [Mississippi77.6% no DMARC · 1,898 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/mississippi/) [West Virginia78.6% no DMARC · 1,799 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/west-virginia/) [Nevada74.0% no DMARC · 2,231 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/nevada/) [Arkansas77.4% no DMARC · 1,871 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/arkansas/) [Hawaii77.3% no DMARC · 1,736 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/hawaii/) [New Mexico79.1% no DMARC · 1,737 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/new-mexico/) [Wyoming78.6% no DMARC · 1,663 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/wyoming/) [North Dakota77.6% no DMARC · 2,035 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/north-dakota/) [South Dakota72.2% no DMARC · 1,945 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/south-dakota/) [Delaware78.5% no DMARC · 1,159 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/delaware/) [Rhode Island74.9% no DMARC · 1,069 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/rhode-island/) [Vermont77.9% no DMARC · 736 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/vermont/) [District of Columbia71.7% no DMARC · 212 carriers](https://efros.com/research/us-trucking-email-security-index/by-state/district-of-columbia/) ## See where your own domain stands The research is free and self-serve. Run the same public checks on your own domain in about a minute — SPF, DKIM, DMARC, MTA-STS, DNSSEC, and more — and get a scored report by email. No agents, no credentials. [Scan your domain free →](https://efros.com/tools/security-scan/) [Email security for fleets](https://efros.com/industries/trucking-company-msp/) [Talk to EFROS](https://efros.com/contact/?source=trucking-email-research)