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emailmodern, secure, all-in-one mail server.
For sending and receiving email. With support for IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, webmail.
Plauna is a privacy focused service that helps you categorize your e-mails. All of its data is stored only on your computer.
You can parse your e-mails from mbox files or directly by connecting to your IMAP servers. Plauna helps you categorize your e-mails and automates the process so that incoming e-mails are moved to their respective folders on your IMAP server.
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.
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.
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.
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.
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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Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database. Keep it simple and versioned. Easy to deploy and upgrade. Documentation via MkDocs.
complete mail server
SMTP + IMAP + POP3 + Antispam + Antivirus
Web administration + Web email ...on your server in ~5 minutes
GreenMail is an open source, intuitive and easy-to-use test suite of email servers for testing purposes.
Typical use cases include mail integration testing or a lightweight sand boxed mail server for development. GreenMail is the first and only library that offers a test framework for both receiving and retrieving emails from Java.
Take back control of your email with this easy-to-deploy mail server in a box.