Mailcheck
Online email verification tool — bulk check and clean your mailing lists to remove invalid and disposable addresses
| What is it | Online email verification tool — bulk check and clean your mailing lists to remove invalid and disposable addresses |
|---|---|
| Pricing | Freemium — from $10/mo |
| Free tier | Yes |
| Platform | Web Application |
| API | Yes |
| Works with | Make, n8n |
| Best for | cleaning email lists before a campaign to reduce bounce rates, verifying sign-up emails in real time to block bots |
| Domain registered | 2017 |
Data updated Aug. 1, 2026
What does Mailcheck do?
Mailcheck is an online email verification tool that helps you clean your mailing lists by removing invalid, disposable, and inactive email addresses. You upload a list or check individual addresses in real time, and the service returns a trust rate score (0-100%) so you know which emails are safe to use. It's a straightforward utility for anyone who sends email campaigns and wants to avoid bounces, spam traps, and low sender scores.
The verification process checks syntax, domain validity, SMTP status, and whether the address is disposable or a catch-all. Mailcheck also pulls data from social networks and public sources to assign a more accurate trust score than simple MX checks alone. The tool integrates with popular platforms like Mailchimp, Zapier, WordPress, SendGrid, and Make.com, so you can automate list cleaning as part of your workflow. Pricing is subscription-based starting at $10/month for 1,000 verifications, with overage charges and a 40-day money-back guarantee.
Mailcheck is best suited for email marketers, small business owners, and sales teams who manage their own outreach and need a reliable way to keep their lists clean. It's also useful for e-commerce stores verifying customer emails at sign-up or before sending promotional campaigns. The service is simple to use — upload a CSV, choose the email column, and get results in minutes. If you're tired of high bounce rates and want a no-fuss verification tool, Mailcheck gets the job done.
Key features
What makes it stand outWho is Mailcheck for?
Who benefits most from this toolPricing
Free tier available — start without a credit cardpro
- 1,000 emails included
- 0.005 overage per email
- 1,000 emails to validate included
- $0.005/1 mail overage charge
agency
- 5,000 emails included
- 0.004 overage per email
- 5,000 emails to validate included
- $0.004/1 mail overage charge
enterprise
- 20,000 emails included
- 0.003 overage per email
- 20,000 emails to validate included
- $0.003/1 mail overage charge
custom
- 100,000 epic emails included
- 1,000,000,000 legendary emails included
- Epic 100,000+ emails to validate included
- Legendary 1,000,000,000+ emails to validate included
- Request a demo for pricing
Trust & presence
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