Find anyone's professional email
EmailSleuth helps you discover accurate email addresses using just a name and company domain. Built with Rust for superior performance and accuracy.
$ email-sleuth find
✅ Found: john.smith@acme.com
95% confidence • Verified deliverable
Find Any Professional Email
Enter a name and company domain to find verified email addresses
Upgrade for Pro Features
Unlimited Searches
Get access to 400+ verified emails per month with our Pro plan.
Bulk Uploads
Upload CSV files with multiple contacts to find emails in bulk.
Full Search History
Access your complete email search history with no limitations.
Priority Support
Get priority customer support and help when you need it.
Why Open Source?
Better, Faster, More Transparent
EmailSleuth is built with Rust for maximum performance and security, with full transparency in how we find emails.
100% Open Source
Our entire codebase is available on GitHub. You can see exactly how we operate, contribute improvements, or self-host.
Built with Rust
EmailSleuth is written in Rust, delivering blazing-fast performance and memory safety for reliable results.
Privacy-Focused
We prioritize privacy and security. Your searches aren't used for marketing or sold to third parties.
Advanced Email Discovery Technology
EmailSleuth uses multiple sophisticated techniques to find valid email addresses with high confidence and accuracy.
Pattern Generation
Creates common email patterns based on first and last names to find the most likely formats.
Website Scraping
Crawls company websites to discover publicly available email addresses and patterns.
SMTP Verification
Validates email existence via direct mail server communication for high accuracy.
Domain Intelligence
Uses DNS (MX records) to find mail servers and understand email delivery infrastructure.
Concurrent Processing
Handles multiple contacts simultaneously for efficient bulk email discovery.
Ranking & Scoring
Ranks possible email addresses by confidence to provide the most likely match.
All Features Open Source and Enterprise-Ready
Our technology is built for scale. Whether you're finding one email or thousands, EmailSleuth delivers consistent results with enterprise-level performance.
How EmailSleuth Works
Our email finding process is designed to be straightforward while delivering accurate results every time.
Enter name and domain
Provide the person's full name and the company domain where they work to begin the search process.
Our algorithms search
We analyze common email patterns, check company data, and cross-reference multiple sources to identify likely email formats.
Verify deliverability
Each email is verified in real-time through SMTP checks to ensure it's active and deliverable to maximize success rates.
Get results instantly
Receive verified email addresses with confidence scores in seconds, making your outreach efforts more effective.
Ready for Outreach
You now have verified email addresses that are ready to use for your sales or recruiting outreach.
Ready to boost your outreach?
Join thousands of professionals who use EmailSleuth to find accurate, verified emails for their sales, recruiting, and marketing efforts.
EmailSleuth has transformed our sales outreach. Weapos;ve seen a 38% increase in our response rate by using verified emails with high confidence scores.
By using EmailSleuth, you agree to our Terms of Service and Privacy Policy