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Verify emails instantly to boost deliverability

3.67 stars

MailVerify

Validate emails instantly or in bulk

Verify emails with precision

Choose how and when you verify

MailVerify

Verify emails instantly to boost deliverability and reduce bounce rates

3.67 stars

3.67 stars

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Lifetime access
Refundable up to 60 days
Covered by our We Got Your Back guarantee

Thoroughly vetted by AppSumo for quality, performance, and support

Inbox bounces and wasted leads hurt your ROI. MailVerify’s AI-driven checks clean and validate addresses—including catch-all domains—to recover lost leads and boost deliverability.

TL;DR

Validates catch-all domains, giving you more deliverable leads and reducing bounce rates
Filters valid, risky, and undeliverable emails in seconds

At-a-glance

www.mailverify.ai

Alternative to

Hunter.io, ZeroBounce

Integrations

Google Sheets, Instantly, Rest API

Best for

Marketing agencies, SaaS, Small businesses

MailVerify

Verify emails instantly to boost deliverability

Overview
Pricing
Reviews

Sold out!

Streamline outreach and boost deliverability with fast, accurate email verification

Verify emails with precision

Verify faster with bulk processing, real-time API checks, and catch-all domain support that expands your usable leads by up to 50%
Clean smarter by identifying disposable, role-based, and invalid emails using SMTP, MX, spam-trap, and inbox status checks
Integrate seamlessly with tools like Instantly, ReachInbox and Smartlead

Verify emails with precision

Choose how and when you verify

Only pay for success thanks to automatic credit refunds for unknown results
Stay campaign-ready with 99% accuracy, real-time API checks, and export options for your favorite tools

Choose how and when you verify

Validate emails instantly or in bulk

Upload CSVs in bulk to get fast, detailed results segmented by validity, risk, and status
Add real-time API checks to forms and apps for instant validation at signup

Validate emails instantly or in bulk

Choose the plan that's right for you

Feel secure in your purchase with AppSumo's 60 day money-back guarantee.

	License Tier 1	License Tier 2	License Tier 3	License Tier 4
Daily verification credits	500	1,250	2,250	3,500
Bonus lifetime credits	100,000	225,000	375,000	550,000
Catch-all email verification
Full API access
One click export
Active verification
Dynamic temporary email detection
Single and bulk email verification
Verify all types of email addresses
MTA validation of domain
SMTP validation of individual address
MX record extraction and validation
Individual inbox status detection
Role account detection

Refundable up to 60 days

Covered by our

We Got Your Back guarantee

Deal terms & conditions

Founded October 11, 2024

🇺🇸Delaware, United States

11-50

Expansion

Bootstrapped

Stop bounces, boost deliverability

MailVerify.ai emerged from a common challenge: invalid and catch-all email addresses wreak havoc on sender reputation and waste outreach budgets. Founder Alan DSouza recognized that existing verifiers struggle with catch-all domains, leaving valuable leads stranded and emails bouncing back.

By applying AI-driven algorithms and real-time SMTP, MX, and spam-trap checks, MailVerify.ai accurately distinguishes valid, risky, and undeliverable addresses, even within catch-all domains. Whether through bulk CSV uploads or seamless API integrations, teams of any size can maintain pristine email lists.

This tool empowers marketers and growth professionals to maximize deliverability, reduce bounce rates, and focus on genuine leads—turning cold outreach into confident connections.

Founder and CEO

Questions & reviews

Have a question?

Here you'll find a curated collection of frequent questions and answers, designed to provide you with quick, clear information about the product.

For all other questions refer to the questions tab

What is MailVerify.ai?

How does MailVerify.ai improve email deliverability?

What types of email addresses does MailVerify.ai detect?

How do I upload my email list for verification?

How many emails can I verify at once?

What happens if I don't use all my credits?

Can I integrate MailVerify.ai with other platforms?

How accurate are MailVerify.ai's verification results?

What is catch-all verification?

Why is catch-all verification important for cold email campaigns?

Customers appreciate Mailverify.ai for its instant email verification, user-friendly interface, and accurate catch-all email verification. While there are occasional reports of inaccuracy and a lack of spam trap detection, the overall positive feedback outweighs these minor issues. With a 60-day money-back guarantee, Mailverify.ai is a solid choice for those seeking reliable email verification.

AI-powered summary of customer reviews

Ratings

3.6

3.67 stars

3.67 stars

6

Taco ratings

4

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Founder

Founded October 11, 2024

🇺🇸Delaware, United States

11-50

Expansion

Bootstrapped

Showing 1-1 of 1 posts

May 15, 2025

First post from Founder

Hey Sumo-lings!

I'm Alan, the founder of Mailverify.ai - The Ultimate Email Verifier for Cold Emailers.

Email deliverability can make or break your outreach. Whether you're a solopreneur, a growth marketer, or managing outbound campaigns at scale, sending to invalid emails damages your sender reputation, wastes your budget, and kills ROI.

That’s exactly why we built Mailverify.ai - to eliminate the guesswork (and the bounces) from your email strategy.

Why Mailverify.ai is a Game-Changer:

✅ Smart Catch-All Validation

Don’t let valuable leads slip through the cracks. Our advanced AI goes beyond the industry standard to accurately assess catch-all emails, separating the reachable from the risky. Unlock more opportunities and reach more inboxes with confidence.

✅ Lightning-Fast, AI-Powered Accuracy Verify emails in real time with enterprise grade precision - including tricky catch-all, role-based, and disposable addresses.

✅ Effortless Bulk List Cleaning Upload CSVs or connect via integrations and clean thousands of emails in seconds - no fuss, just results.

✅ Built for All Businesses Whether you're running lean or scaling fast, our pricing (especially this LTD!) delivers unbeatable value per verified email. We believe clean email lists should be a default, not a luxury.

✅ Powerful Real-Time API Integrate verification right into your forms, CRMs, or internal tools with our robust, developer-friendly API.

✅ Privacy-First by Design We’re GDPR-compliant, with short-term data storage and encryption baked in - your data stays safe, period.

I’m thrilled to bring our email verification powerhouse to the incredible AppSumo community. I'll be hanging out in the comments, so drop your questions, feedback, or feature requests - I’m all ears.

See you there!

Alan

Founder, Mailverify.ai