Mark Gaba
5 x

Totally super. I think if I'd found mailmule earlier I would have saved a lot of money in my email campaigns.

Taranand Chaudhary
4.8 x

Saved me days of IP delisting and other email nightmares. Thank you. It's affordable, and easy to use.

George S.
4.0 x

For years I've been wasting money on data validation companies. MailMule is like a beautiful spring breeze.

Aggregate feedback from our clients:

Mail Mule Email Validation Service

Affordable, easy to use email validation service
Service rating: 4.8 out of 5 with 723 ratings
Data collection methodology: Feedback emails

No Commitment, Free Validator Account

Signup today to get your free trial of 1000 free email validations
Try it out by clicking the link above. If you like how it works, you can just signup (free) and get a permanent link for yourself.

Highly efficient

We can scrub 300K emails within just 24-48 hours.

Cost Effective

As little as $1.99 for 20,000 validations*.


Detects disposible domains, generic IDs, and more!

We boast an impressive 98% accuracy.

High Accuracy Problem Detection

For the first time ever, here's a tool that accurately tells you where the problems are in your list. We detect bad domains, bad emails, even bad users (those who mark you as 'spam' even if they actually opted-in), and many many others.

Great Accuracy

Ability to clean your mailing list with precision is always a valuable thing for a good marketer.

CSV Upload/Download

No complicated formats - simply upload a list as CSV, and download the list as a CSV again. It's fast!

Cross Platform

Works seamlessly across all Google Chrome and Firefox installations whether on Desktop, Laptop, Tablet or Mobile Phone.

The Right Choice

We've been around since 2005 - we're not going anywhere. We are the right stuff - and you're safe with us. Learn more.

The most cost effective email verifier tool - with 1000 free email validation.

Use Cases for Mail Mule Email Validator

Old Lists

A quick cleanup can make your old lists rather usable. Reduce the risk of being marked as spam when you recycle your old lists.

Bought Lists

Scrub your purchased lists and increase the accuracy. Most list providers are willing to 'swap' bad email IDs for fresh good ones.

CSV Upload/Download

Upload your CSVs and download the scrubbed version. Simple straightforward methods - no complex offline tools / installation needed.

Goes to as little as $0.0001 per validation.

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Contact Us

Reach out to us and we'll respond within 24-48 hours max.