Email Validation

Email address and domain validation

Email address and domain validation

Provides a fast, pretty robust e-mail validator. Only checks form, not function.

Convert Markdown to valid React Email template code.

Validate an email address according to RFCs 5321, 5322, and others

mailSpellChecker.js (mail spell checker) is a lightweight module that suggests a right domain when your users misspell it in an email address

A Node.js module for verifying email addresses

Formats 'email', 'ipaddress' and 'url' for convict

Loosely validate an email address.

Provides a fast company / work email validator by checking whether the email domain is in the free email provider list.

Regular expression for matching email addresses

Validates emails based on regex, common typos, disposable email blacklists, DNS records and SMTP server response.

Normalize + and . emails for uniqueness validation

Check misspell email's domain and return a list of matching domain suggestions

Sanely validate email addresses, based on HTML5's definition of email addresses

Provide multiple configurable strategies to detect, validate, and process email bounces

An API wrapper for the NeverBounce API

Stub TypeScript definitions entry for email-validator, which provides its own types definitions

An intuitive & tiny string sanitizer to remove any special characters or convert strings to create filename or url 🎉🎉

Convert Markdown to valid Vue Email template code.

A Node.js module for email address analysis and validation.

Official kickbox API library client for node.js

A lightweight JavaScript widget with zero dependencies that performs real-time email address validation using the Verifalia email verification service. This widget integrates seamlessly with any web form to swiftly identify and eliminate invalid, undelive

Verifalia email verification library for JavaScript: verify email addresses in real-time and check whether they are deliverable, invalid, or otherwise risky.

Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.

Email validation with more than 10K disposable/temporary email domains

Advanced email validation with MX records, SMTP verification, disposable email detection, batch processing, and caching. Production-ready with TypeScript support.

check email for domain before git commit

Validation and normalization for better-auth

Disposable email domains

Verify email address checking MX records, and SMTP connection.

Checks existence of email addresses

Additional mongoose schema validations

Check that email addresses are really able to accept emails by pinging the DNS and checking for active MX records.

The best validation library for JavaScript

Validate email address

CLI email prompt with autocompletion and built-in validation

Clean, organized email-like messaging system for AI agents with 7 essential tools for agent communication and management. Built with TypeScript, Clean Architecture, and MCP Protocol compliance.

A Sender Policy Framework validator

Email Verification that's astonishingly easy and low-cost. See https://emailable.com for details.

Email validator

One stop solution for all DMARC Problems. This package includes fetching of dmarc record, parsing the provided/fetched record, validation of DMARC record, generating a new DMARC record

Defines static typed DTO with strict runtime validation and user friendly error messages like:

The best possible way to verify and validate an email address.

a very fast and robust email validator

A tool to verify an email address exits via SMTP

ZeroBounce Email Verification Library

Apache Commons Validator ported to TypeScript

Block disposable emails with environment-specific rules and plus addressing validation

A Flatfile Listener plugin for email validation