Top 200 mail open source projects

Recursively copy all e-mail messages and folders from one IMAP account to another.

Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.

a self-hosted disposable mail service

Sendria (formerly MailTrap) is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

A simple (but correct) library for validating email addresses. Supports mail addresses as defined in rfc5322 as well as the new Internationalized Mail Address standards (rfc653x). Based on https://github.com/jstedfast/EmailValidation

A mail driver to quickly preview mail

Friendly Correios SRO API wrapper and command-line utility

Local, web-based mail server application. Slurp mails into oblivion!

Async dnsbl spam lists checker based on asyncio/aiodns.

DKIM (DomainKeys Identified Mail) Key

Catch incoming emails in your Laravel application

🚝 "Scala on Rails" - A full-stack web app framework for rapid development in Scala

A fully tested email parser for PHP 7.2+ (mailparse extension wrapper).

Disposable webmail server (similar to Mailinator) with built in SMTP, POP3, RESTful servers; no DB required.

Unofficial, free and open-source Inbox by Gmail Desktop App

📤 An SMTP client & server library written in Go

Catches mail and serves it through a dream.

Create and validate signed URLs with a limited lifetime

A third-party, open-source ProtonMail CardDAV, IMAP and SMTP bridge

Golang package for email validation

Dovecot mail server

MFCMAPI

Emails at the heart of your business logic!

A graphical threads-with-tags style, lightweight and fast, e-mail client for Notmuch

Self-hosted server for the ProtonMail client

Sieve Script Editor

A Gatsby email *application*

SMTP (email) server with a focus on simplicity, security, and ease of operation [mirror]

Open PaaS Enterprise Social Network

Library to send e-mails over different transports and protocols (like SMTP and IMAP) using immutable messages and streams. Also includes SMTP server.

Jodd! Lightweight. Java. Zero dependencies. Use what you like.

Simple, modern & fast web-based email client

Build composable mail messages

View all the mailables in your laravel app at a single place

Zmail makes it easier to send and retrieve emails in python3

Generate Free Edu Mail(s) within minutes

Send a welcome notification to new users

Mailgun package for Laravel

A tiny software that receive a smtp request (email) and send it to the specified webhook as a http post request

📧 Handy email creation and transfer library for PHP with both text and MIME-compliant support.

Create and validate signed URLs with a limited lifetime

A dashboard for mu4e (mu for emacs)

mailcow: dockerized - 🐮 + 🐋 = 💕

A cross-platform IMAP library for .NET, supporting .Net 2.0 - 4.5, Mono and Windows Phone

mbox file parser for Node.js

Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible

Laravel MJML offers support for rendering MJML syntax into in-line HTML that can be sent within mails.

An unofficial desktop client for ProtonMail done with electron nativefier

⚡️Arduino Mail Client Library to send, read and get incoming mail notification for ESP32, ESP8266 and SAMD21 devices. The library also supported other Arduino devices using Clients interfaces e.g. WiFiClient, EthernetClient, and GSMClient.

Command-line interface for email management

This bot can make 20 different USA college edu mail automatically within 5min.

isBizMail tells you whether a given email address belongs to a free email account provider (gmail.com, yahoo.es, yandex.ru etc) or not.

MailTrap has been renamed to Sendria. Please use Sendria now, MailTrap is abandoned. MailTrap is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

Fake SMTP server that prints emails to stdout

Now playing controller from Apple Music, Mail & Podcasts Apple's apps.

Do quick, hassle-free email marketing with this small but very powerful tool! 🔥

Send mail from Laminas or Mezzio using external mail services.

Software to provision a mail server with users from a Windows or Samba 4 Active Directory

Easily develop emails with email-ready components.