Email Sleuth

6.2easy start · #18 of 33
in Email Finder Software

Runs on Linux, Mac, Windows.

Email Sleuth is ranked #18 of 33 in email finder software on The Geeks Club. It runs on Linux, macOS, Windows.

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Purpose: Email Sleuth is a Rust application for discovering and verifying professional email addresses from contact names and company websites.
Lookup: A single-contact lookup takes a person’s name and a company domain.
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.
Verification methods: Its three modes use DNS and SMTP, add API checks in enhanced mode, and add a headless browser in comprehensive mode.
Results: Results can include a best-guess email, confidence score, candidate emails, verification status, methods used, and a verification log.
SMTP requirement: SMTP verification requires outbound access to port 25, which the README says many ISPs block.
Installation: The README provides a unified installer and manual binary download instructions, including Windows executable instructions.
License: The repository identifies the project as MIT licensed.
Intended use: Repository topics include cold email, contact enrichment, email verification, lead generation, and open source.

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