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Mailcheck.js is a Javascript library and jQuery plugin that suggests a right domain when your users misspell it in an email address. When your user types in “user@hotnail.con”, Mailcheck will suggest “”. Mailcheck will offer up suggestions for top level domains too, and suggest “.com” when a user types in “user@hotmail.cmo”.

Mailcheck helps reduce typos in email addresses during sign ups. It can reduce the sign up confirmation email bounces by 50%.

Mailcheck included default domains are,,,,,,,,,,,,,,,,,, and The included default top level domains are com, net, org, info, edu, gov,, and mil.


Requirements: JavaScript Framework


License: MIT License


Mailcheck Helps Reduce Typos in Email Addresses
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