Is Dead Simple Email secure?

Legit.Show measured Dead Simple Email's Security frame at 25/100. No Content-Security-Policy and no HSTS. Served over HTTPS with a valid certificate.

How does Legit.Show measure Dead Simple Email?

Legit.Show scores seven frames — Performance, Accessibility, Security, Privacy, Reliability, Standards and Discoverability — deterministically from the public surface (URL, HTTP headers, real Lighthouse), with no LLM in the scoring path. See legit.show/methodology.

AI & Agents

Dead Simple Email

Last updated 2026-08-29 · benchmark measured 2026-08-29 — deterministic & reproducible

Email API built for AI agents, with inboxes, webhooks, and inbound security.

75/100

7/7 frames

Top 60% of 14,148 measured · #16 of 18 in email sending api

Legit Benchmark — the simple average of 7 measured frames. Frames we could not measure are left out of the average, never counted as zero. Every frame is shown below with its evidence.

Checked 2026-08-29 · scores move as sites change

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To cite this score: legit.show/s/deadsimple-email/2026-08-29. That address never changes; this page moves with every re-measure.

Legit.Show scored Dead Simple Email 75/100 on 2026-08-29, measured across all 7 frames from its public surface. legit.show/s/deadsimple-email/2026-08-29

Is Dead Simple Email production-ready?

Legit.Show scores Dead Simple Email 75 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Dead Simple Email (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 82/100
Accessibility — 100/100
Security — 25/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 25/100
How this compares across the catalogue: The Privacy Gap
Reliability — 100/100
Standards — 92/100
Discoverability — 100/100

What we measured

No Content-Security-Policy and no HSTS.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 93 ms to first byte.
Returns a proper 404 for unknown routes.
3 of 3 sampled routes reachable.
No privacy policy found.
Sets cookies / loads scripts with no consent prompt.
Discoverable: structured data, sitemap, OpenGraph image, canonical URL.

Who built it

product account @DeadSimpleEmail

Who it's for

AI agent builders · Solo developers · Product teams · Enterprise deployments · LLM integrations

Pricing

Free (5 inboxes, 5,000 emails/mo); $5/mo (15 inboxes); $29/mo (100 inboxes); $99/mo (500 inboxes); overages at $0.40 per inbox and $0.20 per 1,000 emails

Sources and updates

Description: Taken from deadsimple.email's own website on 2026-08-29.
Benchmark: Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-08-29.

Put together from public information, without Dead Simple Email's involvement. If anything here is wrong, tell us and a person will check it.

Visit Dead Simple Email → · Alternatives to Dead Simple Email → · How this was measured →