Displaying 1 to 20 from 157 results

hermes - Golang package that generates clean, responsive HTML e-mails for sending transactional mail

  •    Go

Hermes is the Go port of the great mailgen engine for Node.js. Check their work, it's awesome! It's a package that generates clean, responsive HTML e-mails for sending transactional e-mails (welcome e-mails, reset password e-mails, receipt e-mails and so on), and associated plain text fallback.Theme templates will be embedded in your application binary. If you want to use external templates (for configuration), use your own theme by implementing hermes.Theme interface with code searching for your files.

Zimbra - Email and Collaboration Suite

  •    Java

Zimbra is the most capable open source email and collaboration suite available today. It provides support for Email, Shared calendar, Document management, Pop3, Address book and lot more. Mails could be tagged and search support is also provided. Zimbra is considered as an alternative to Microsoft Exchange Server.

Citadel

  •    C

Citadel is a collaboration suite (messaging and groupware). It provides support for Email, Calendaring/Scheduling, Address books, Bulletin boards, Mailing List Server, Instant Messaging, Wiki, Multiple domain support.

JavaMail - Java library to build Mail and Messaging Applications

  •    Java

The JavaMail API is a set of abstract APIs that model a mail system. The API provides a platform independent and protocol independent framework to build Java technology based email client applications. The JavaMail API provides facilities for reading and sending email. Service providers implement particular protocols. Several service providers are included with the JavaMail API package; others are available separately.




MailKit - A cross-platform .NET library for IMAP, POP3, and SMTP.

  •    CSharp

MailKit is a cross-platform mail client library built on top of MimeKit.The main goal of this project is to provide the .NET world with robust, fully featured and RFC-compliant SMTP, POP3, and IMAP client implementations.

Postal - A fully featured open source mail delivery platform for incoming & outgoing e-mail

  •    Ruby

Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready for you to run on your own servers. Postal was developed by aTech Media to serve its own mail processing requirements and we have since decided that it should be released as an open source project for the community.

mailit - A tiny drop-in REST API to send emails

  •    Javascript

A tiny drop-in REST API to send emails.Mailit is a drop-in microservice for sending emails over a REST API.

Papercut - Papercut Simple Desktop SMTP Server

  •    Javascript

Ever need to test emails from an application or web site but don't want them accidently being sent or having to deal with the hassle of setting up a test email server? Papercut is a quick email viewer with a built-in SMTP server designed to only receive messages. It doesn't enforce any restrictions how you send your email. It allows you to view the whole email-chilada: body, html, headers, attachment down to the naughty raw bits. It can be set to run on startup and sits quietly minimized in the tray giving you a balloon popup when a new message arrives.Download Papercut.Setup.exe installer.


mailin - Artisanal inbound emails for every web app

  •    Python

Mailin is an smtp server that listens for emails, parses them and posts them as json to the url of your choice. It checks the incoming emails dkim, spf, spam score (using spamassassin) and tells you in which language the email is written. Mailin can be used as a standalone application directly from the command line, or embedded inside a node application.

Rainloop Webmail - Simple, modern & fast web-based email client

  •    PHP

Simple, modern & fast web-based email client.Modest system requirements, decent performance, simple installation and upgrade, no database required - all these make RainLoop Webmail a perfect choice for your email solution.

mountebank - Over the wire test doubles

  •    HTML

In fact, halfway through we discovered our corporate mocking software couldn’t handle the sheer amount of performance testing we were running as part of this effort (we completely crushed some pretty industrial enterprise software in the process). As a result, we made the call to move the entire program over to a Mountebank OSS-based solution with a custom provision to give us the ability to expand/shrink our mocking needs on demand. mountebank is the first open source tool to provide cross-platform, multi-protocol test doubles over the wire. Just point your application to mountebank instead of the real dependency, and test like you would with traditional stubs and mocks.

Claws Mail - Email Client and News Reader Based on GTK+

  •    C

Claws Mail is a GTK+ based, lightweight, and fast e-mail client and newsreader. Supports POP3, APOP, IMAP, SMTP, SMTP AUTH, NNTP, LDAP, multiple accounts, spell-checking, addressbook, SSL, GPG, filtering, i18n, & more. It is further extended by plugins. Lots of extra functionality, like an RSS aggregator, calendar, or laptop LED handling, are provided by extra plugins.

MailDev - :mailbox: SMTP Server + Web Interface for viewing and testing emails during development.

  •    Javascript

MailDev is a simple way to test your project's generated emails during development with an easy to use web interface that runs on your machine built on top of Node.js. If you want to use MailDev with Docker, you can use the djfarrelly/maildev image on Docker Hub. For a guide for usage with Docker, checkout the docs.

docker-mailserver - A fullstack but simple mailserver (smtp, imap, antispam, antivirus, ssl

  •    Shell

A fullstack but simple mail server (smtp, imap, antispam, antivirus...). Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade. Before you open an issue, please have a look this README, the Wiki and Postfix/Dovecot documentation.

MailHog - Web and API based SMTP testing

  •    Go

MailHog is an email testing tool for developers. Configure your application to use MailHog for SMTP delivery, View messages in the web UI, or retrieve them with the JSON API, Optionally release messages to real SMTP servers for delivery. Inspired by MailCatcher, easier to install.Built with Go - MailHog runs without installation on multiple platforms.

Hedwig - Send email to any SMTP server like a boss, in Swift and cross-platform

  •    Swift

Hedwig is a Swift package which supplies a set of high level APIs to allow you sending email to an SMTP server easily. If you are planning to send emails from your next amazing Swift server app, Hedwig might be a good choice. You can find more information on how to use Swift Package Manager in Apple's official page.

go-guerrilla - Mini SMTP server written in golang

  •    Go

Breaking change: The structure of the config has recently changed to accommodate more advanced TLS settings. A lightweight SMTP server written in Go, made for receiving large volumes of mail. To be used as a package in your Go project, or as a stand-alone daemon by running the "guerrillad" binary.

James - Enterprise Mail Server

  •    Java

James (a.k.a Java Apache Mail Enterprise Server) is a 100% pure Java SMTP and POP3 Mail server, and NNTP News server designed to be a complete and portable enterprise mail/messaging engine solution based on currently available open messaging protocols.

yagmail - yagmail makes sending emails very easy by doing all the magic for you

  •    Python

The goal here is to make it as simple and painless as possible to send emails. Similarly, I make use of having my username in a file named .yagmail in my home folder.

mailinabox - Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box

  •    Python

By @JoshData and contributors. Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.