Showing 682 open source projects for "smtp"

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  • 1
    PHPMailer

    PHPMailer

    The classic email sending library for PHP

    PHPMailer – A full-featured email creation and transfer class for PHP. Support for UTF-8 content and 8bit, base64, binary, and quoted-printable encodings. SMTP authentication with LOGIN, PLAIN, CRAM-MD5, and XOAUTH2 mechanisms over SMTPS and SMTP+STARTTLS transports. Validates email addresses automatically. Many PHP developers need to send email from their code. The only PHP function that supports this directly is mail(). However, it does not provide any assistance for making use of popular...
    Downloads: 174 This Week
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  • 2
    Anti-Spam SMTP Proxy Server

    Anti-Spam SMTP Proxy Server

    Anti-Spam SMTP Proxy Server implements multiple spam filters

    The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261. A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2...
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    Downloads: 44,951 This Week
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  • 3
    smtp4dev

    smtp4dev

    The fake smtp email server for development and testing

    smtp4dev - the fake SMTP email server for development and testing. A dummy SMTP server for Windows, Linux, Mac OS-X (and maybe elsewhere where .NET Core is available). Lets you test your application without spamming your real customers.
    Downloads: 107 This Week
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  • 4
    thc-hydra

    thc-hydra

    Shows how easy it would be to gain unauthorized access to a system

    ..., Solaris, FreeBSD/OpenBSD, QNX (Blackberry 10) and MacOS. However the module engine for new services is very easy so it won't take a long time until even more services are supported. Via the command line options you specify which logins to try, which passwords, if SSL should be used, how many parallel tasks to use for attacking, etc. PROTOCOL is the protocol you want to use for attacking, e.g. ftp, smtp, http-get or many others are available.
    Downloads: 63 This Week
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  • 5
    Curl

    Curl

    Command line tool and library for transferring data with URLs

    Curl is a command line tool and library for transferring data specified with URL syntax. It supports HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, SSL certificates, cookies, user+password authentication, and so much more! Curl is used for many different things. It's used in command lines or scripts for transferring data. It's also used in just about every device you can think of: mobile phones and tablets, television sets, printers, routers, media players and other...
    Downloads: 23 This Week
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  • 6
    Swaks

    Swaks

    Swaks - Swiss Army Knife for SMTP

    swaks (Swiss Army Knife for SMTP) is a powerful command-line tool for testing and debugging SMTP servers. It allows users to craft custom SMTP sessions with fine-grained control over headers, authentication, TLS, attachments, and more. swaks is commonly used by sysadmins and developers to diagnose mail delivery problems or test SMTP server configurations.
    Downloads: 2 This Week
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  • 7
    Apache Log4j

    Apache Log4j

    Apache Log4j 2 is a versatile, feature-rich, efficient logging API

    Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases. Log4j is used by 8% of the Maven ecosystem and listed as one of the top 100 critical open source software projects. The project is actively maintained by a team of several volunteers and supported by a big community.
    Downloads: 12 This Week
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  • 8
    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: 8 This Week
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  • 9
    MailCatcher

    MailCatcher

    Catches mail and serves it through a dream

    Catches mail and serves it through a dream. MailCatcher runs a super simple SMTP server that catches any message sent to it to display in a web interface. Run mailcatcher, set your favorite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check it out to see the mail that's arrived so far. Shows HTML, Plain Text and Source version of messages, as applicable. Rewrites HTML enabling display of embedded, inline images/etc and opens links in a new window. Command...
    Downloads: 2 This Week
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  • 10
    Uptime Kuma

    Uptime Kuma

    A fancy self-hosted monitoring tool

    Uptime Kuma is an easy-to-use self-hosted monitoring tool. It is a temporary live demo, all data will be deleted after 10 minutes. Use the one that is closer to you, but I suggest that you should install and try it out for the best demo experience. Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / Ping / DNS Record / Push / Steam Game Server / Docker Containers. Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here...
    Downloads: 6 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: 6 This Week
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  • 12
    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: 4 This Week
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  • 13
    Interactsh

    Interactsh

    An OOB interaction gathering server and client library

    Interactsh is an open-source tool for detecting out-of-band interactions. It is a tool designed to detect vulnerabilities that cause external interactions. Interactsh Cli client requires go1.17+ to install successfully. interactsh-client with -sf, -session-file flag can be used store/read the current session information from user defined file which is useful to resume the same session to poll the interactions even after the client gets stopped or closed. Running the interactsh-client in...
    Downloads: 4 This Week
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  • 14
    MailDev

    MailDev

    Web Interface for viewing and testing emails during development

    MailDev is an SMTP server with a web interface designed for viewing and testing emails during development. It allows developers to inspect and debug emails sent from their applications without delivering them to real inboxes.
    Downloads: 2 This Week
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  • 15
    Docker Mailserver

    Docker Mailserver

    Production-ready fullstack but simple mail server

    docker-mailserver provides a production-ready, all-in-one email server in a single container, focused on simplicity and maintainability. It bundles the core mail stack—Postfix for SMTP and Dovecot for IMAP/POP3—then layers in optional anti-spam and anti-virus services, DKIM/DMARC signing and verification, and rate-/abuse-protection tooling. The project emphasizes secure defaults while exposing configuration via environment variables and mounted files, allowing you to define users, aliases...
    Downloads: 2 This Week
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  • 16
    Keila

    Keila

    Open Source Newsletter Tool

    Keila is a fully open-source newsletter platform designed as a self-hosted alternative to services like Mailchimp or Sendinblue. It enables users to create and manage email campaigns, build customizable signup forms, and handle subscriber lists. Keila supports using a personal SMTP inbox for small-scale newsletters or integrating with major transactional email providers—AWS SES, Sendgrid, Mailgun, Postmark—for larger deployments. It offers a sleek WYSIWYG editor for campaign creation, version...
    Downloads: 2 This Week
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  • 17
    Mail-in-a-Box

    Mail-in-a-Box

    Take back control of your email with this mail server in a box

    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. Mail-in-a-Box lets you become your own mail service provider in a few easy steps. It’s sort of like making your own gmail, but one you control from top to bottom. Technically, Mail-in-a-Box turns a fresh cloud computer into a working mail server. But you don’t need to be a technology expert to set it up. Our goals are to make deploying...
    Downloads: 2 This Week
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  • 18
    CTFd

    CTFd

    CTFs as you need them

    ...-compatible backend. Limit challenge attempts & hide challenges. Automatic bruteforce protection. Individual and Team-based competitions. Have users play on their own or form teams to play together. Scoreboard with automatic tie resolution. 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: 3 This Week
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  • 19
    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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  • 20
    Acl

    Acl

    A powerful server and network library, including coroutine

    The Acl (Advanced C/C++ Library) project a is powerful multi-platform network communication library and service framework, supporting LINUX, WIN32, Solaris, FreeBSD, MacOS, AndroidOS, iOS. Many applications written by Acl run on these devices with Linux, Windows, iPhone and Android and serve billions of users. There are some important modules in Acl project, including network communcation, server framework, application protocols, multiple coders, etc. The common protocols such as HTTP/SMTP/ICMP...
    Downloads: 2 This Week
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  • 21
    listmonk

    listmonk

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

    ... to the database easily with the simple table structure. Create powerful, dynamic e-mail templates with the Go templating language. 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: 2 This Week
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  • 22
    Algorithm Visualizer

    Algorithm Visualizer

    Interactive Online Platform that Visualizes Algorithms from Code

    Hacker Scripts is a light-hearted collection of small automation and demo scripts that solve amusing everyday tasks or illustrate quick integrations with external services. The repo collects short programs (originally a set of shell and Ruby scripts) and many community contributed ports in other languages to show “how you might automate X” — for example sending a quick SMS, firing off an email, or triggering a coffee maker — with examples and scheduling snippets included. The README explains...
    Downloads: 1 This Week
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  • 23
    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: 1 This Week
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  • 24
    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: 1 This Week
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  • 25
    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: 1 This Week
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