Showing 515 open source projects for "smtp--"

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  • 1
    Mailu

    Mailu

    Insular email distribution - mail server as Docker images

    Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions. The project aims at providing people with an easily setup, easily maintained and full-featured mail server while not shipping proprietary software nor unrelated features often found in popular groupware. Security, enforced TLS, DANE, MTA-STS, Letsencrypt!, outgoing DKIM, anti-virus scanner, Snuffleupagus,...
    Downloads: 2 This Week
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  • 2
    ESP32-CAM_MJPEG2SD

    ESP32-CAM_MJPEG2SD

    ESP32 Camera motion capture application to record JPEGs to SD card

    Application for ESP32 / ESP32S3 with OV2640 / OV5640 camera to record JPEGs to SD card as AVI files and playback to the browser as an MJPEG stream. The AVI format allows recordings to replay at the correct frame rate on media players. If a microphone is installed then a WAV file is also created and stored in the AVI file. The ESP32 cannot support all of the features as it will run out of heap space. For better functionality and performance, use one of the new ESP32S3 camera boards, eg...
    Downloads: 5 This Week
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  • 3
    Haraka

    Haraka

    A fast, highly extensible, and event driven SMTP server

    Haraka is a highly scalable node.js email server with a modular plugin architecture. Haraka can serve thousands of concurrent connections and deliver thousands of messages per second. Haraka and plugins are written in asynchronous JS and are very fast. Haraka has very good spam protection (see plugins) and works well as a filtering MTA. It also works well as a MSA running on port 587 with auth and dkim_sign plugins enabled. Haraka makes no attempt to be a mail store (like Exchange or...
    Downloads: 3 This Week
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  • 4
    docker-jetbrains-license-server

    docker-jetbrains-license-server

    JetBrains License Server Docker image

    ...Administrators could customize server behavior extensively through environment variables. Registration data and configuration were stored together in a persistent data directory. The image supported multiple platforms, non-root execution, SMTP reporting, reverse proxies, and Docker Compose deployment. The project is no longer maintained because JetBrains discontinued the License Server service on December 31, 2025, so it now primarily serves as a historical deployment reference.
    Downloads: 0 This Week
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  • 5
    Twisted

    Twisted

    Event-driven networking engine written in Python

    Twisted is an event-based framework for internet applications, supporting Python 3.6+. It includes modules for many different purposes. Twisted supports all major system event loops, select (all platforms), poll (most POSIX platforms), epoll (Linux), kqueue (FreeBSD, macOS), IOCP (Windows), and various GUI event loops (GTK+2/3, Qt, wxWidgets). Third-party reactors can plug into Twisted, and provide support for additional event loops.
    Downloads: 0 This Week
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  • 6
    DocuSeal

    DocuSeal

    Open source DocuSign alternative

    Open source document filling and signing. DocuSeal is an open-source platform that provides secure and efficient digital document signing and processing. Create PDF forms to have them filled and signed online on any device with an easy-to-use, mobile-optimized web tool. Use embeddable code snippets to seamlessly implement the document signing workflows directly on your website or app. Build fillable document forms using our pixel-perfect HTML API, reducing the time for creating personalized...
    Downloads: 2 This Week
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  • 7
    MonitoRSS

    MonitoRSS

    MonitoRSS RSS bot (formerly known as Discord.RSS)

    ...The self-hosted setup includes a control panel, bot configuration, database services, and environment-based settings. It can also support email notifications for feed failures or permission issues when SMTP details are configured. MonitoRSS is useful for communities, teams, and content watchers that need reliable feed delivery without manually checking many websites.
    Downloads: 0 This Week
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  • 8
    DavMail POP/IMAP/SMTP/Caldav to Exchange
    ...The main goal of DavMail is to provide standard compliant protocols in front of proprietary Exchange. This means LDAP for address book search, SMTP to send messages, IMAP to browse messages on the server in any folder, POP to retrieve inbox messages only, CalDAV for calendar support and CardDAV for contact synchronization.
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    Downloads: 1,146 This Week
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  • 9
    Gogs

    Gogs

    A painless self-hosted Git service

    Gogs is a simple, stable, self-hosted Git service that is easy to install and setup. All you have to do is run the binary on any platform that Go supports: Linux, macOS and Windows. You may also install from source, from packages, or ship with Docker or Vagrant. Gogs is very lightweight with minimal hardware requirements, running on Raspberry Pi and even on NAS devices. Gogs offers plenty of great features, including various access repositories, repository and organization webhooks,...
    Downloads: 2 This Week
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  • 10
    Clean Architecture Solution Template

    Clean Architecture Solution Template

    Clean Architecture Solution Template for .NET 6

    This is a solution template for creating a Single Page App (SPA) with Angular and ASP.NET Core following the principles of Clean Architecture. Create a new project based on this template by clicking the above Use this template button or by installing and running the associated NuGet package (see Getting Started for full details). The template is configured to use an in-memory database by default. This ensures that all users will be able to run the solution without needing to set up...
    Downloads: 0 This Week
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  • 11
    GoCryptoTrader

    GoCryptoTrader

    Trading bot and framework supporting multiple exchanges

    GoCryptoTrader is a full framework / bot for cryptocurrency trading, written in Go (Golang). It supports multiple exchanges, real-time and historic data, backtesting, handling order books, portfolio management, scripting, and many exchange integration features. It is a trading engine that can be run by users to automate strategies across many exchanges. Licensed under MIT. Support for all exchange fiat and digital currencies, with the ability to individually toggle them on/off. Customisation...
    Downloads: 0 This Week
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  • 12
    Inbucket

    Inbucket

    Disposable webmail server (similar to Mailinator) with built in SMTP

    Inbucket is an email testing application; it will accept messages from any email address and make them available to view via a web interface. When you need to test your webapp's outbound emails with Mailinator but are stuck behind a firewall, Inbucket provides the solution. It allows you to keep your new application development secret until it's time to release it. Inbucket is ideal for validating that emails go out as part of your integration test suite, sending links to coworkers to...
    Downloads: 0 This Week
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  • 13
    listmonk

    listmonk

    High performance, self-hosted, newsletter and mailing list manager

    ...Use template expressions, logic, and 100+ functions in subject lines and content. Write HTML e-mails in a WYSIWYG editor, Markdown, raw syntax-highlighted HTML, or just plain text. Highly configurable, multi-threaded, high-throughput multi-SMTP e-mail queues for super fast campaign delivery.
    Downloads: 0 This Week
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  • 14
    CTFd

    CTFd

    CTFs as you need them

    ...Hide Scores from the public. Freeze Scores at a specific time. Scoregraphs comparing the top 10 teams and team progress graphs. Markdown content management system. SMTP + Mailgun email support. Email confirmation support. Forgot password support.
    Downloads: 0 This Week
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  • 15
    EasyZSwoole

    EasyZSwoole

    swoole, easyswoole, swoole framework

    ...It is born specifically for API and supports the simultaneous monitoring of HTTP, WebSocket, self-defined TCP, UDP protocol, and has rich components, such as collaboration Connect Pool, TP style co-process ORM, co-process microcredit SDK, co-process Kafka client, co-process ElasticSearch client, co-process Consul client, co-process Redis client, co-process Apollo client, co-process NSQ client, co-process self-definition queue、 Many components such as the Memcached client, the co-process view engine, JWT, the co-process RPC, the co-process SMTP client, the co-process HTTP client, the co-process Actor, and the Crontab timer. Let developers write multi-process, step-by-step, and high-available application services with the lowest learning cost and effort.
    Downloads: 0 This Week
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  • 16
    E-MailRelay

    E-MailRelay

    SMTP email proxy and relay server

    E-MailRelay is a simple SMTP proxy and relay MTA, written in C++, for Linux and Windows. As a proxy all messages can be passed through a user-defined program, such as a spam-filter, which can drop, readdress, or edit messages as they pass through.
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    Downloads: 362 This Week
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  • 17
    Fetchmail - the mail-retrieval daemon

    Fetchmail - the mail-retrieval daemon

    Client daemon to move mail from POP and IMAP to your local computer

    Fetchmail is a mail retrieval daemon that can download messages from POP3, IMAP, ODMR and ETRN-based stores, with SSL/TLS security including certificate verification, and pass downloaded mail to a local SMTP or LMTP server, or a message delivery agent such as maildrop.
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    Downloads: 465 This Week
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  • 18

    X509 GUI Certificate Viewer

    Display online (TLS, DTLS, OPC, QUIC, SMTP) & offline certificates

    Downloads: 3 This Week
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  • 19
    .net sendmail

    .net sendmail

    Send e-mails from CLI

    A simple binary to send e-mails from command line.
    Downloads: 1 This Week
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  • 20
    MailCleaner

    MailCleaner

    Anti Spam SMTP Gateway

    ...It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...)
    Downloads: 1 This Week
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  • 21
    PHPMailer Pro

    PHPMailer Pro

    The Next Generation Mail Transport Class.

    ...Used by many open-source projects: WordPress, Drupal, 1CRM, SugarCRM, Yii, Joomla! and many more Integrated SMTP support Single and multiple To, CC, BCC and Reply-to, custom Return-Path Multi-part and alternative emails for mail clients that do not read HTML email You can also follow the blog at https://blog.phpmailer.pro/
    Downloads: 3 This Week
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  • 22

    Log library for C++

    C++ library for flexible logging

    A library of C++ classes for flexible logging to files (rolling), syslog, IDSA and other destinations. It is modeled after the Log for Java library (http://www.log4j.org), staying as close to their API as is reasonable. Home: https://log4cpp.sourceforge.net Platforms: Linux, Windows, MacOS. New: CMake, CTest support for MS VS 2022, RAD Studio 12
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    Downloads: 410 This Week
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  • 23
    ihasmail

    ihasmail

    webmail for stalwart

    ...Mail, calendars, contacts, files and filters in a responsive single-page app that works equally well on a desktop monitor and a phone. It talks only JMAP (plus Stalwart's blob/upload/EventSource endpoints) — no IMAP, no SMTP, no database.
    Downloads: 0 This Week
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  • 24
    NOCC
    NOCC is a simple and fast Webmail client which can handle POP3 and IMAP mailboxes and sends email via SMTP. It is written with PHP, has low requirements (no database, frames). Features multi-language support, MIME attachments, displays HTML messages. The installation guide comes with the source code: https://sourceforge.net/p/nocc/code/HEAD/tree/trunk/webmail/docs/INSTALL If you encounter problems or bugs you can always try the current HEAD version: https://sourceforge.net/p/nocc/code/HEAD/tarball?...
    Downloads: 13 This Week
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  • 25
    SquirrelMail
    SquirrelMail is a PHP-based Web email client. It includes built-in pure PHP support for IMAP and SMTP, and renders all pages in pure HTML 4.0 for maximum compatibility across browsers. It has strong MIME support and a flexible plugin system.
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    Downloads: 238 This Week
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