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Hedwig is an open source IMAP, SMTP, POP3 server written in Java, designed with ease of installation and configuration in mind. Hedwig enables storage of mail message headers in a relational database(MySQL or Oracle) and mail messages in a file system.
Visit http://hwmail.sourceforge.net/ for more information.
An unofficial web console to administer Apache James 3 server
MOVED TO: https://github.com/fulvio999/jamesui
Jamesui is an unofficial web interface to manage and monitor Apache James 3 mail server.
It is written in Java and run inside Apache Tomcat.
Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.
Deploy in 115+ regions with the modern database for every enterprise.
MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
GreenMail is an intuitive and easy-to-use test suite of email servers for testing purposes. Supports SMTP, POP3, IMAP with SSL socket support, and configurable user accounts and credentials. All in 100% Java.
WE'VE MOVED TO GIT HUB: https://github.com/greenmail-mail-test/greenmail
Jamm (Java Mail Manager) is a web application to manage virtual email account information stored in an LDAP directory. It is meant as an administration tool for sites using mail servers, such as Postfix and Courier-IMAP.
Mailster is a project aimed at testing software mail capabilities. It provides a mail server container to test emails sent by your apps without rewriting your application code.
Small program, which monitors email account via IMAPS (secure version of IMAP) protocol and inform user about new, unread messages. Coded in Java programming language.
Your own mailing system (most easiest to use with zero configuration) for the entire world (available in almost all the languages of the world) which will include Mail User Agent and Mail Transfer Agent thus trying to give maximum speed while transferrin
Virtual Qmail - virtual domains management system for qmail. It is designed to be fast, reliable, and easy to use. Includes software allowing users to manage their accounts via WWW.
JFetcher is a Java Fetchmail application, which is able to fetch emails from a pop3 or imap mailbox and deliver it to another smtp host. The ideal exercise for JFetcher is to fetch emails from a global mailbox for relaying them to local accounts.
Vaza-Mail Server is open source mail server which provides SMTP and POP3 server implemented in 100% Pure Java. It is a pure Java Implementation using J2EE.
SIMON is a very simple MTA and POP3 implementation. It is completely designed from the ground up and is useful for departmental or small to medium sized companies.
gavamail is a POP3/IMAP server implemented in JAVA for reading your gmail e-mail with your favorite mail client. Currently only POP3 is implemented but I hope to implement IMAP too. Libraries provided by the g4j and libgmail projects are used.
NetPop -- a Netscape / AOL Email Popper written in Java, much like YPOPs! for Yahoomail and Mr Postman for Hotmail, that allows anyone to use a POP3 email client (Thunderbird, Eutora, Outlook, etc) with Netscape and AOL webmail.
After the presentation on CeBIT 2004 fair finally available: SpamStop works as a Proxy between your Pop3-Client and the -Provider, it uses a Support Vector Machine to classfy incoming mails and automatically learns classifiers from samples of your mails.
Qmail NMX is a project that intends to bring commercial features to Qmail, enabling it to manage high volume environments. Features such as scalability, high availability, high volume users, etc... are available to Qmail with this project.