Remove temporary, disposable, and risky emails from your marketing lists.
Protect sender reputation. Improve inbox placement. Reduce bounce rates.
Trusted by marketing teams at fast-growing companies
Low-quality emails don't just hurt your metrics—they damage your sender reputation and cost real money in wasted credits.
Hard bounces and spam complaints damage your sender reputation with ESPs like SendGrid and Mailchimp.
Users sign up with disposable emails to grab lead magnets, then never engage with future campaigns.
Every temporary or invalid email costs you send credits and inflates your subscriber count with dead weight.
Intelligent email verification that catches what traditional validators miss— from unlimited aliases to newly-registered temporary domains.
We check 12+ risk signals including temporary domains, alias patterns, MX records, and disposable email databases.
Upload CSV files with up to 100,000 emails. Get results in minutes with batch processing at 2,500 emails/minute.
Remove risky emails before they cause hard bounces. Keep your ESP happy and your deliverability scores high.
Get detailed breakdowns of your list quality with risk categories, explanations, and recommended actions.
See how much you'll save by cleaning your email list with AntiTemp
Total subscribers in your list
Industry average: 10-20%
Check your ESP pricing (SendGrid, Mailchimp, etc.)
How many emails you send per month
* Calculations based on typical email marketing scenarios. Actual savings may vary.
Seamlessly integrate email validation into your existing marketing stack
Upload your email lists as CSV files. Download cleaned results instantly with risk scores and explanations.
Works seamlessly with SendGrid, Mailchimp, HubSpot, and other email service providers via API.
Get comprehensive hygiene reports with breakdown by risk category and actionable recommendations.
Validate emails at signup with our API. Prevent bad emails from entering your list in the first place.
Integrates with your favorite tools
Join marketing teams using AntiTemp to protect their sender reputation and maximize campaign performance.