Developer Tools
Flowmails
Last updated 2026-07-17 · benchmark measured 2026-08-09 — deterministic & reproducible
Custom-domain email routing that runs on your own Cloudflare account.
Is Flowmails production-ready?
Legit.Show scores Flowmails 86 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Flowmails (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 89/100
- Accessibility — 96/100
- Security — 25/100
- Privacy — 100/100
- 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 — 453 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who it's for
Founders · Teams at scale · Developers needing email automation · Self-hosting preference · Cloudflare users
Pricing
Base (Free): $0 forever; Pro: $9.90/month or $99/year; Enterprise: $39.90/month or $399/year
Visit Flowmails → · Alternatives to Flowmails → · How this was measured →