1323 Open source projects that are alternatives of or similar to Mailu

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

✉️ Composable all-in-one mail server.

Ansible playbooks to deploy a full featured mail server stack using Docker.

Simple and full-featured mail server using Docker

mailcow: dockerized - 🐮 + 🐋 = 💕

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

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

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

🌰️🐿️ SquirrelMail GitHub Repository (PHP 7-OK!)

IMAP, POP3 and SMTP clients for Dart developers. Contains both low level as well as a high level API.

small mail server

The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development.

Skirnir Email Server

Simple, modern & fast web-based email client

Self-hosted server for the ProtonMail client

⚡️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.

🐝 experimental terminal mail client, mirror of https://git.meli.delivery/meli/meli.git https://crates.io/crates/meli

Mailozaurr is a PowerShell module that aims to provide SMTP, POP3, IMAP and probably some other ways to interact with Email. Underneath it uses MimeKit and MailKit libraries written by Jeffrey Stedfast.

.NET email library and proxy supporting IMAP, POP3, and SMTP with S/MIME and PGP.

VMime Mail Library

The Hoa\Mail library.

Hermes Secure Email Gateway is a Free Open Source Ubuntu 18.04 or 20.04 Server based Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving. It features the latest email authentication techniques such as SPF, DKIM and DMARC.

MailMergeLib is a mail message client library which provides comfortable mail merge capabilities for text, inline images and attachments, as well as good throughput and fault tolerance for sending mail messages.

'DANE for SMTP' wiki

Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.

💌 A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

Cypht: Lightweight Open Source webmail written in PHP and JavaScript

End-to-end encrypted email for the mesh networking age

Command-line interface for email management

Command line utility and a Node.js library for email authentication

Poste.io plugin for Dokku

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.

Fake Protocol Server

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

基于 Net.Mail 封装的发送邮件工具类。仅需一行代码，发送邮件。支持自定义邮件发出邮箱、发出方名字等。 支持SSL加密发送。 多个接收人、抄送人。支持群发独显。 支持添加附件、多个附件。 目前大部分主流邮箱全支持。

The ISPDB, Thunderbird's database of mail configuration files.

asynchronous library for sending and receiving mail via fs2._

Delta Chat Rust Core library, used by Android/iOS/desktop apps and bindings

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

The best free email forwarding for custom domains. Visit our website to get started (SMTP server)

A lightweight SMTP mail library

The legitimate email replacement — n-identity, decentralized, store-and-forward, open protocol, open source. (Server)

Email-based instant messaging for Desktop.

Emails at the heart of your business logic!

💌 Mail app for Nextcloud

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

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.

Sieve Script Editor

Simple SMTP server / postfix null relay host for your Docker and Kubernetes containers. Based on Alpine Linux.

A light-weight, modular, message representation and mail delivery framework for Python.

A lightweight PHP SMTP mail sender

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

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

📩🛡 Email privacy. Anonymously send and receive with alias forwarding.

Very crude and poorly written HTTP(s) and SMTP bin

The complete and secured Mail Client for ESP32, sending and reading the E-mail through the SMTP and IMAP servers.

InBrief is a personal briefing app and dashboard powered by Electron and React

📥 An IMAP library for clients and servers

Mailway installer, host your own Mailway instance

Magento 2 SMTP Extension helps the owner of store simply install SMTP (Simple Mail Transfer Protocol) server which transmits the messages into codes or numbers.