Mailcheck is a JavaScript library designed to address the issue of misspelled email addresses during user input.
Mailcheck is a javascript framework technology. Mailcheck is a JavaScript library designed to address the issue of misspelled email addresses during user input.. Currently detected on 348 quality-eligible websites in the Glympt index.
Official website: github.com.
By scanning headers, HTML, JS globals, meta tags, and cookies. Detection is automated and non-intrusive.
Confidence averages 100% for Mailcheck. ≥70% is highly reliable.
Yes. Pro and Business plans include CSV export with full filtering.
Major sites: ~7 days. Smaller domains: ~30 days. Trigger fresh scans from the dashboard.
Mailcheck gained 2 domains in 30 days.
0–100 score indicating detection certainty. Multiple strong signals = high confidence.
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