How to Identify and Block Disposable Email Domains
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Frequently Asked Questions
Find answers to common questions about email verification.
What is a disposable email?
A temporary email address used for short-term signups (e.g., mailinator.com).
Why block disposable emails?
They lower email deliverability, harm engagement, and fill your list with fake users.
How can I detect them?
Use an email validation tool or API that flags known disposable domains in real time.
How to block them on my site?
Add domain blacklists or integrate a validation API into your signup form.
Do disposable emails hurt my sender reputation?
Yes, they increase bounces and spam risk, reducing inbox placement.
How often should I update the list?
Regularly, new disposable domains appear daily.
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