📧 Disposable Email Blocklist

A regularly maintained and clean list of disposable (temporary) email domains used to prevent fake signups, spam accounts, and abuse across applications.

This repository aggregates multiple trusted open-source sources into one normalized, duplicate-free blocklist.

Already contains 110,646+ disposable email domains! 🔥 This list is updated automatically every day using GitHub Actions.

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🔎 Why This Blocklist?

Disposable email services are commonly used for:

• Creating spam or bot accounts
• Abusing free trials and coupons
• Fake signups to bypass verification
• Misusing services with anonymous identities

Blocking such domains helps you:

✔️ Reduce spam
✔️ Prevent fake accounts
✔️ Improve user authenticity
✔️ Strengthen platform security

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📂 What’s Inside?

disposable_email.txt

A plain-text list of disposable email domains — one per line.

Highlights:

• Clean & normalized
• Zero duplicates
• Automatically refreshed daily
• Multi-source aggregated

Example preview:

mailinator.com
tempmail.net
10minutemail.com
guerrillamail.com

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🚀 Use Cases

You can use this blocklist in any backend, API, or validation workflow.

Ideal For:

• Web Applications → Block disposable emails during user signup or account creation
• APIs → Validate incoming email addresses before processing
• SaaS Products → Prevent free trial abuse and fake account registrations
• E-commerce Platforms → Reduce fraudulent or duplicate orders
• Authentication Systems → Improve email verification & security
• Marketing Platforms → Clean mailing lists and improve deliverability
• Fintech / Banking → Enhance KYC by filtering low-trust email domains
• Gaming Platforms → Stop fake player accounts & reward abuse
• Developer Tools → Integrate the list into CI/CD pipelines or validation libraries

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🔄 Automatic Updates

The list is automatically rebuilt and committed daily using GitHub Actions.

This ensures:

• Always fresh data
• No manual maintenance
• Consistent accuracy

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🤝 Contributing

Contributions are welcome! Please ensure new domains are valid, truly disposable, and not false positives.

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⭐ Support

If this blocklist helps reduce spam or improve your product, consider giving the repo a ⭐ star.