Disposable Email Detection — Why Temporary Addresses Hurt Your Business
One-time addresses that create long-term problems
Disposable (or temporary) email addresses are created by services like Mailinator, Guerrilla Mail, and 10 Minute Mail. They exist for minutes or hours, then self-destruct. People use them to sign up for things they don't want to hear from again. For businesses, they create fake accounts, poison analytics, and waste resources.
- Fake signups inflate your user count and poison your analytics
- Abusers use them to create multiple accounts and exploit referral bonuses
- High bounce rates from dead addresses damage your sender reputation
- You can't reach these users for surveys, password resets, or important notifications
We maintain a curated list of known disposable domains and check every verification against it. We also analyze domain age, MX record patterns, and SMTP behavior to flag suspicious new services. If a domain has no website, was registered recently, and accepts all mail — it's likely disposable.
mailinator.com, guerrillamail.com, temp-mail.org, 10minutemail.com, throwaway.email, yopmail.com, maildrop.cc — and hundreds more. Our list is updated continuously as new services appear.
Block disposable addresses at sign-up. Use MailScout's API to verify in real time before creating an account. The cost of a verification check is fractions of a cent — the cost of a fake account is orders of magnitude higher.