reacherhq/check-if-email-exists
- Total stars
- 10,089
- Today
- +3
More actions
Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.
Save to My finds to follow releases and star growth. Saved in this browser.
About the project
A Rust tool that checks whether an email address exists without sending any email: validates syntax, MX records, SMTP, disposable addresses and breaches. Available as a CLI, Docker HTTP backend and Rust library.
Useful for
- Validate signup form email addresses before sending a newsletter
- Run the Docker HTTP backend and call it from your own service
- Filter out disposable and role accounts when accepting signups
README summarized by DeepSeek V4.1 Flash. Details may be inaccurate. Read the original README →
Star growth looks organic. Data as of October 4, 2026, 11:02 UTC.
The star-growth assessment does not verify whether the project is safe to run.
Stars per day
Bars show stars per UTC day; the line is a moving average of available history. Gaps mean missing data, not zero growth. Today's bar is incomplete. Red marks spike days.
Why it’s trending
- 3 stars so far today, about 7 expected by the end of the day.
Measured growth: the last 7 completed days
The full 7-day window is unavailable; no weekly total or comparison is calculated.
Daily measurements · UTC
- October 22, 2026
- —
- October 23, 2026
- —
- October 24, 2026
- —
- October 25, 2026
- —
- October 26, 2026
- —
- October 27, 2026
- —
- October 28, 2026
- —
Largest measured day in the last 30 days: 12 · September 29, 2026. Days with data: 6.
Completed days come from GitHub star history; today and forecasts are excluded from this comparison. History checked: October 4, 2026, 11:01 UTC. Sources and measurement limits →
Three GitHub discoveries in each edition
What they do, why they are gaining interest, and what to check before using them.
Editions at 10:00, 16:00, 22:00 MSK.
Numbers
- Total stars
- 10,089
- Today
- +3 stars on 2026-10-04 (UTC), ≈ 7 by evening
- Forks
- 739
- Issues and pull requests
- 1,628
- Watchers
- 67
- Language
- Rust
- Latest release
- v0.11.7 · January 15, 2026
- Created
- April 25, 2017
- Last push
- October 2, 2026
Star trust
Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.
These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.
Spotted in
- September 24, 2026GitHub Trending Rust today: #8, +15 stars
- September 23, 2026GitHub Trending Rust today: #8, +20 stars
- September 15, 2026GitHub Trending Rust today: #18, +50 stars
- September 14, 2026GitHub Trending Rust today: #8, +53 stars
- September 13, 2026GitHub Trending Rust today: #8, +110 stars
README badge
Paste it into your README — the badge shows the current magnitude and links to this page.
[](https://gitnova.dev/en/r/reacherhq/check-if-email-exists)