Email Sleuth
API—OSS—FREE—DOCS3/5
ES5.2#18 of 33
—WeboutWindowsoutMacoutLinux—Android—iOS
Ranked in Email Finder Software ·No free plan on record
About
Email Sleuth is ranked #18 of 33 in email finder software on Inferse. It runs on Linux, macOS, Windows.
Compared on email finder software
- Bulk search
- Yesgithub.com
- Email verification
- Yesgithub.com
Facts
- Purpose
- Email Sleuth is a Rust application for discovering and verifying professional email addresses from contact names and company websites.github.com · 4 Oct 2026
- Lookup
- A single-contact lookup takes a person’s name and a company domain.github.com · 4 Oct 2026
- Batch processing
- Batch mode reads a JSON array of contacts with first name, last name, and domain fields, and can write results to a JSON file.github.com · 4 Oct 2026
- Verification methods
- Its three modes use DNS and SMTP, add API checks in enhanced mode, and add a headless browser in comprehensive mode.github.com · 4 Oct 2026
- Results
- Results can include a best-guess email, confidence score, candidate emails, verification status, methods used, and a verification log.github.com · 4 Oct 2026
- SMTP requirement
- SMTP verification requires outbound access to port 25, which the README says many ISPs block.github.com · 4 Oct 2026
- Installation
- The README provides a unified installer and manual binary download instructions, including Windows executable instructions.github.com · 4 Oct 2026
- License
- The repository identifies the project as MIT licensed.github.com · 4 Oct 2026
- Intended use
- Repository topics include cold email, contact enrichment, email verification, lead generation, and open source.github.com · 4 Oct 2026
Best Email Sleuth alternatives
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Where it ranks on Inferse
- Best Email Finder Software in 2026#18 of 33
Sources
- github.com/buyukakyuz/email-sleuth· checked 4 Oct 2026