Category
Email Verification
Key features
Real-time single email check
Bulk list cleaning
Trust rate scoring
01 — Overview
What is
Mailcheck
Mailcheck verifies email addresses one at a time, in bulk lists or through an API, so teams can clean lists before sending. Each address gets a trust rate based on SMTP checks, disposable and catch-all detection and signals from public sources and social networks. Cleaner lists help outbound and marketing teams cut bounces and protect sender reputation.
02 — Who it’s for
Ideal Customer Profile
Useful for marketers, cold email senders and agencies that regularly clean lists, as well as startups and small businesses running email campaigns.
03 — Capabilities
Key Features
Real-time single email check
Bulk list cleaning
Trust rate scoring
Disposable and catch-all detection
Duplicate removal
Email verification API
05 — Similar tools
Alternatives
06 — FAQ
Frequently Asked Questions
What is Mailcheck used for?
Mailcheck checks whether email addresses are real and safe to send to, helping you remove bots, inactive users and risky addresses from your lists.
How should I read the trust rate?
Addresses scoring 0 to 49 percent are risky and likely invalid, while 50 to 100 percent are considered valid to use.
Where does Mailcheck get its data?
It uses public sources, system checks, social networks and open databases to assess each address.
Does Mailcheck have an API?
Yes. Addresses can be verified through an API as well as by uploading lists in the web app.






