Spam Check
Instantly check the spam score of your email messages
spamcheck.postmarkapp.com SourceSales / Cold Email & Deliverability
- Monthly visits
- <5K
- Oct 2026
- Public revenue
- Undisclosed
- No public revenue evidence yet
- Entry price
- Free
- No monthly subscription pricing
- Launched
- 11y ago
- 2015-06-24 · Est.
Traffic
Marketing moves
Launches, search & content, referrals, promotionsLaunched on Product HuntLaunch
A free JSON API to check your email messages' spam scores
Jun 24, 2015 · 11y agoLaunch page
Open Source & Self-Hosting
GitHub · MCP / Skill
- GitHub Stars
- Public repo
- Forks
- —
- License
- See repository
- Primary language
- —
Traffic sources
Oct 2026
Traffic breakdown
Channels
- Organic Search43%
- Direct28%
- Paid Search18%
- Referrals6%
- Other4%
Countries
- United States69%
- Italy31%
Search
Domain authority —Domain registered 2009-05-25
| Keyword | Monthly volume |
|---|---|
| spamassassin score | 780 |
| spam check | 280 |
| spammeteor spam check | 230 |
| spam check postmark | 110 |
| postmark spam | 60 |
Traffic data: Vaneform
Pricing
Website does not list public plan prices.
Trial: None · Observed 2026-11-03 · Source page
Pages & changes
Tracked since 2015-06-24
Key pages
Weekly snapshotsHome
spamcheck.postmarkapp.com/ Snapshot 2026-11-04
Questions & evidence
- How much website traffic does Spam Check get?
- Vaneform estimates <5K website visits in 2026-10. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
- What is Spam Check and what platforms does it support?
- Spam Check is catalogued under Cold Email & Deliverability: Instantly check the spam score of your email messages. Supported platforms: API.
- Is Spam Check open source?
- Spam Check has a public repository (https://github.com/ido50/WWW-Postmark) with its source repository published.Source
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