Email parser for browser and serverless environments.
postal-mime is an email parsing library that runs in browser environments (including Web Workers) and serverless functions (like Cloudflare Email Workers). It takes in a raw email message (RFC822 format) and outputs a structured object containing headers, recipients, attachments, and more.
Automate and clean your inbox. Clean Up Your Inbox In Minutes.
Bulk unsubscribe from newsletters, automate your emails with AI, block cold emails, and view your analytics. Open-source.
Is a Dockerized email campaign management application that allows users to create templates, manage contact lists, and send HTML-based emails via SMTP. It includes features to simplify email marketing campaigns and integrates seamlessly with a MySQL database for managing data.
GooBook allows to use Google Contacts from
the command-line and from MUAs such as mutt.
mutt-wizard is a tool that automatically sets up a NeoMutt-based minimal
email system.
It configures mutt and isync with a default interface and safe passwords.
muchsync synchronizes notmuch mail across machines.
muchsync brings notmuch to all of your computers by synchronizing your mail
messages and notmuch tags across machines.
The protocol uses pipelines to work efficiently over high-latency networks
such as mobile broadband.
getmail 6 is a flexible, extensible mail retrieval system with support for POP3, IMAP4, SSL variants of both, maildirs, mboxrd files, external MDAs, arbitrary message filtering, single-user and domain-mailboxes, and many other useful features.
Lieer is a fast email-fetching, sending,
and two-way tag synchronization between notmuch and GMail.
This program can pull, and send, email and labels (and changes to labels)
from your GMail account and store them locally in a maildir with the labels
synchronized with a notmuch database.
The changes to tags in the notmuch database may be pushed back remotely to
the GMail account.
OfflineIMAP downloads mailbox(es) to a local Maildir(s), and synchronizes both sides via IMAP. This allows reading the mails while offline without the need the mail reader (MUA) to support disconnected operations.
thread-based email index, search and tagging.
Notmuch is a system for indexing, searching, reading, and tagging large collections of email messages in maildir or mh format. It uses the Xapian library to provide fast, full-text search with a convenient search syntax.
CLI to manage emails, based on email-lib.
Pimalaya is an ambitious project that aims to improve open-source tools related to Personal Information Management (as known as PIM) which includes emails, contacts, calendars, tasks and more.
Collecto is a open-source, self-hosted, lightweight, email collection service. It allows to add forms to static web sites. The form content are sent by email on submit.
A Go web application to generate email signatures and host uploaded images with S3.
GoMailMark allows users to enter information about them, uploads given images to S3, and generates an HTML signature using Templ.
A versatile easy to use virtual appliance to protect you from spam
The idea about eFa is to create a (virtual) appliance for spam fighting using open-source tools. We try to combine existing open-source projects into one easy to use and fast to deploy (virtual) appliance.
eFa is a community based product, we try to create the best possible spam filter product out there based on existing open-source software. See the about page to find out which existing project we use to combine, tune and support to create one great appliance.
disposable email server with easy setup.
Whenever you sign up with your email on a website, your email address is stored and sometimes sold to advertisers. This is where you get your bulk of spam emails. Whenever a data breach happens, you also risk having your primary email address leaked and informations stolen.
Using Nortix Mail, you can create disposable email addresses that can be used to sign up to website that requires email verification. This is very useful when you just want to try out new website / services without giving away your real email address. It significantly enhances privacy, security and reduces spam. It's like running your own Gmail server.
Signal Spam is a non-profit association that allows Internet users to report anything they consider to be spam in their email. Reports are assigned to authorities or professionals who are able to take action against this spam.
Save hours on written communication at work Write emails, Slack replies, Jira tickets, proofread, chat with documents...
Open source push technology.
Z-Push is an open-source application to synchronize ActiveSync compatible devices such as mobile phones, tablets and Outlook 2013 and above. With a history of over 9 years of successful synchronization with multiple backends Z-Push is the leading open source push synchronization.
web based administration interface for Postfix mail servers.
Turn-key Outreach Infrastructure
Get your email outreach deliverability managed by experts for scalable, sustainable, sales success. Lightmeter is a sales-only email delivery network, independent of Google, Microsoft and SendGrid. Built on our own unique mailserver product.
Open Source email server
Regain your independence and protect your privacy by installing your own email server. It takes less than 10 minutes!
Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. It provides useful components such as an administration panel and webmail.
Virtual Mailbox Administration.
The ViMbAdmin project (vim-be-admin) provides a web based virtual mailbox administration system allowing mail administrators to manage domains, mailboxes and aliases.
Best Email Signature Manager for Outlook & Office 365.
Design and deploy on-brand email signatures for your whole team. Connect with your audience in a way that's on-brand and personal, while driving quality lead generation.
Open Source Email Newsletters Easy & Reliable.
Keila is an Open Source alternative to newsletter tools like Mailchimp or Sendinblue. With Keila you can easily send out newsletter campaigns and create sign-up forms.
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EmailEngine is an email client but for apps, not people.
Effortless email integration for your app or service. Simplify IMAP and SMTP complexities, and focus on what truly matters. Build better features, faster.
Self-hosted solution for developers and businesses.
✉️ Send e-mails with Node.JS – easy as cake!
Nodemailer is a module for Node.js applications to allow easy as cake email sending. The project got started back in 2010 when there was no sane option to send email messages, today it is the solution most Node.js users turn to by default.
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.
Send emails with Ferdinand. An open-source email delivery service.
Open-source email delivery service for developers.
The next generation Web development environment
Install your PHP/Node.js Web development environment in just 3 minutes, with no dependencies and non-intrusive. It includes web server, databases, email, DNS & common tools — everything you need for development.
Plunk is an open-source email platform built on top of AWS SES. It allows you to easily send emails from your applications. It can be considered as a self-hosted alternative to services like SendGrid, Resend or Mailgun.
Free and open source self-hosted newsletter, mailing list manager, and transactional mails.
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Server-side email notification manager using several push providers for real-time alerts. Conserve mobile battery without compromising on immediacy.
Stay connected without the constant drain on your battery. Introducing NotiMail - the future of server-side email notifications supporting multiple push providers and multiple email accounts!
Mobile devices often use IMAP IDLE, maintaining a persistent connection to ensure real-time email notifications. Such continuous connections rapidly consume battery power. The modern era demanded a smarter, more energy-efficient solution. Meet NotiMail.
Welcome to the "Learn and Test DMARC" console! Here, you'll get a visual breakdown of how email servers communicate, giving you a better understanding of SPF, DKIM, and DMARC and how they work together.
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Open DMARC Analyzer is an Open Source DMARC Report Analyzer to be used with DMARC reports that have been parsed by John Levine's rrdmarc script or techsneeze's dmarcts-report-parser.
Open source DMARC report analyzer and visualizer
Organized team chat.
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
Zulip is an open-source team collaboration tool with unique topic-based threading that combines the best of email and chat to make remote work productive and delightful. Fortune 500 companies, leading open source projects, and thousands of other organizations use Zulip every day. Zulip is the only modern team chat app that is designed for both live and asynchronous conversations.
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Become a leader in email innovation. JMAP is the developer-friendly, open API standard for modern mail clients and applications to manage email faster.
It’s official! JMAP has been published by the Internet Engineering Task Force (IETF).
Modernize your mail server. Secure & Modern All-in-One Mail Server (IMAP, JMAP, SMTP).
Self-hosting your mail server has been notoriously difficult. Not anymore! Stalwart is a scalable, secure and robust open-source mail server software designed for the 21st century.
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A curated list of resources on Email tools, server, framework, technology...
Stop trying to avoid phishing. Choose a weapon and fight it...
PhishTool gives human analysts the power to reverse engineer phishing emails, to better defend against them. PhishTool is to phishing emails as a disassembler is to malware or a forensic toolkit is to file systems.
email & SMTP testing tool with API for developers.
Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers. It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.
Use Foundation for Emails to design responsive HTML emails that work in any email client. Quickly create responsive HTML emails that work on any device and client. Even Outlook.
Foundation for Emails (previously known as Ink) is a framework for creating responsive HTML emails that work in any email client — even Outlook. Our HTML/CSS components have been tested across every major email client to ensure consistency. And with the Inky templating language, writing HTML emails is now even easier.
Convert a simple HTML syntax into tables compatible with Foundation for Emails.
Inky is an HTML-based templating language that converts simple HTML into complex, responsive email-ready HTML. Designed for Foundation for Emails.
Newsletters spam test. Test the Spammyness of your Emails.
An automated e-mail OSINT tool.
Mosint is an automated email osint tool written in Go that allows you investigate for target emails in a fast and efficient manner. It consolidates numerous services, enabling security researchers to swiftly access a wealth of information.
HookPhish is a Python script designed to aid in the detection of phishing websites. It performs various checks on suspected URLs to identify potential threats.
All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or Host Name. Links in the results will guide you to other relevant tools and information. And you'll have a chronological history of your results.
DMARC, SPF, DKIM, BIMI checker.
Instantly test your domain to verify your DMARC, SPF, DKIM, BIMI configurations The Merox solution helps you implement DMARC and many other DNS security protocols and standards.
the most popular DMARC tools on the market, covering every aspect of DIY domain protection.
An automated phishing tool with 30+ templates. This Tool is made for educational purpose only ! Author will not be responsible for any misuse of this toolkit !
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Convert MJML to HTML using PHP.
MJML is a markup language designed to reduce the pain of coding a responsive email. Our mjml-php package can convert MJML to HTML.
đź’Ś Build and send emails using React.
A collection of high-quality, unstyled components for creating beautiful emails using React and TypeScript.
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- ILS ONT RESOLU LE PROBLEME DES EMAILS EN REACT @ Melvynx's YouTube :fr:.
- Ils ont résolu l'envoie de mail pour nos application NextJS 🤯 @ Melvyn's Twitter :fr:.
- E131: News Mai 2026, TypeScript 7 en beta, faux package TanStack et agent Cursor destructeur @ Double Slash :fr:.
- React Email 6.0 @ Resend.
Open-Source Phishing Framework
Gophish is a powerful, open-source phishing framework that makes it easy to test your organization's exposure to phishing.
Sources:
rotation and revocation of DKIM keys.
dkim-rotate is a tool for managing DKIM (email antispam) keys in a manner that avoids unnecessarily making emails nonrepudiable.
Broadly, dkim-rotate intends to weaken the non-deniable authenticity of leaked and archived emails, while still retaining DKIM’s antispam function. For more discussion of the problem, and the chosen solution, see dkim-rotate(7), and Matthew Green’s article Ok Google: please publish your DKIM secret keys.
Fast, Reliable Email Delivery Service | SMTP | API.
The email delivery service that people actually like. Stop worrying if your emails made it to the inbox, and get back to focusing on what matters—building great products.
Zammad is a web-based, open source user support/ticketing solution.
Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, facebook, twitter, chat and e-mails.