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Vendor fgribreau
Package mailchecker
Short Description Temporary (disposable/throwaway) email detection library. Covers 1987 fake email providers.
License MIT

Keywords email fake detection disposable

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Example code of fgribreau/mailchecker

Informations about the package mailchecker

MailChecker

PyPI - Downloads

Crates.io

npm

Gem

Packagist

Cross-language email validation. Backed by a database of over 55 000 throwable email domains.

Validate the format of your email (uses validator.js email regex underneath and FILTER_VALIDATE_EMAIL for PHP)
Validate if the email is not a temporary mail (yopmail-like..., add your own dataset to list.txt)

This will be very helpful when you have to contact your users and you want to avoid errors causing lack of communication or want to block "spamboxes".

Upgrade

From 3.x to 4.x

From 1.x to 3.x

Mailchecker public API has been normalized, here are the changes:

NodeJS/JavaScript: MailChecker(email) -> MailChecker.isValid(email)
PHP: MailChecker($email) -> MailChecker::isValid($email)
Python

became:

MailChecker currently supports:

NodeJS (CommonJS, Instructions)
JavaScript (Client-Side, Instructions)
PHP (Instructions)
Python (Instructions)
Ruby (Instructions)
Rust (Instructions)
Elixir (Instructions)
Clojure (Instructions)
Go (Instructions)
Easily add support for your own language with MailChecker template system and send us a pull-request!

Usage

NodeJS

JavaScript

PHP

Python

Django validator: https://github.com/jonashaag/django-indisposable

Ruby

Rust

Elixir

Clojure

Go

Installation

NodeJS/JavaScript

Ruby

PHP

We accept pull-requests for other package manager.

Data sources

TorVPN

BloggingWV

... please add your own dataset to list.txt.

Regenerate libraries from list.txt

Just run (requires NodeJS):

Development

Development environment requires docker.

Backers

Maintainers

These amazing people are maintaining this project:

Francois-Guillaume Ribreau

Contributors

These amazing people have contributed code to this project:

Discover how you can contribute by heading on over to the CONTRIBUTING.md file.

Changelog

License

Unless stated otherwise all works are:

and licensed under:

MIT License

All versions of mailchecker with dependencies

PHP Build Version

Package Version

Version v6.0.21 Release 18. Jul 2026
create-project require 0 people chose require and
0 people chose create-project.

Download

Download latest version of mailchecker from vendor fgribreau

Requires php Version >=8.1

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The package fgribreau/mailchecker contains the following files

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France-Nuage _{Sovereign French cloud for your signup pipeline. No vendor lock-in.}	Hook0 _{Send signup events as signed webhooks. Self-hosted, retry built-in.}	Natalia _{Catch the leads that signed up with bad emails — Natalia calls them back.}	Netir _{Hire vetted French freelance backend devs through mentored marketplace.}
NoBullshitConseil _{No-bullshit tech advisory. Founders & CTOs get straight answers.}	Qualneo _{Qualiopi LMS for French trainers. 32 indicators wired in, audit-ready.}	Recapro _{Private AI that transcribes meetings & drafts reports. Sovereign hosting.}

Download the PHP package fgribreau/mailchecker without Composer