Open Source Java Mail Transfer Agents for BSD

DKIM for JavaMail is a small JAR that can be easily implemented in existing Java projects using JavaMail for sending DKIM signed emails.

Gmail Attachment Forward Tool Let user forward many attachment mail which already in your mailbox at same time. Very easy to move many file to other mail box.

Java based mailserver providing a SMTP and POP3 protocoll implementation easy configurable, OS independent, extendible

Quick Mail Project is Mail Server with Web mail. The project is independed platform support designed Using Java ,C, PHP ,MySQL database . Its support RFC SMTP protocol , RFC Internet Message, Multi domains, forward, block, spam bulk and a lot more.

Email2Fax and Fax2Email gateway for Asterisk, that could be integrated to your own existing Asterisk.

SMTP server, POP3 server, LDAP server, IMAP4 server, WWW administrator's interface

The goal of this project is to develop a very simple SMTP server that responds to SMTP requests and makes received messages available for query at a later time. All useful features for a SMTP server that can be used in an automated testing suite.

JavaEmailer is a Java Classes Library that allows Java developers to easily integrate a mass mailer to their applications. JavaEmailer manages file attachments, SMTP servers, CCs, BCCs, plain text and/or html messages, and more...

Foedus Mail is a mail server written in Java. The goal is to produce stable IMAP, SMTP, and POP3 support and then to build upon and refine it.

Freemail enables secure, anonymous, two-party communication over Freenet. The use of flexible channel initiation protocols and secure message transport allows allows cultivation of anonymous identities with reliable reputations.

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

Ichabod is an SMTP/POP3 server, with mailing list support. Administration is via a web, or email You can also use Ichabod to make your app receive email as an SMTP server. You can also easily extend it by subclassing to add your own behaviors.

J-MAIL : an Open Source Java technology based email user agent using the JavaMail API

A J2EE Connector to send and receive email messages, with some example applications.

A Web Frontend to administrate email accounts, the real domain and virtual domains for a Postfix Server, which use a MySql Backend (maybe other Backends work also). The Project was written in Java using Java Server Faces.

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.

Java Mail Forwarder. This application listen to a Microsoft exchange server, checking if a new mail arrived, pushing the content to an specified Mail address. It uses JavaMail API to connect to the server.

JMultiSend is a simple and fast solution to send mass emails (Bulk E-mail); it only needs to load the list of addresses, the message (HTML or TXT), the data and then send. It is possible also to manage mailing lists subscribtions simply by emails, to send personalized messages with username and to schedule delays up to 24h (86400 secs); all this also from command-line. Since it is developed in Java it is a cross-platform application and does not need installation but needs only the Java Virtual Machine (version 6 or higher) that, in the case, is very easy to download and install.

JXMail allows you to send email easily and cleanly from within a jsp, servlet, or any java class, without delving into the intricates of Java Mail. Supports multiple recipients, cc, bcc, file attachments and html formatted email.

JXchange is an mail server multiplataform, written in Java language, like MS-Exchange. This project includes SMTP server, POP3 server, IMAP server, web management interface and webmail designed to run in almost all OS.

JaMaRe (JaMaRe ain't a Mail Reader) has grown out of my own need for a hacker's mail filter. JaMaRe has it's own internal mail folder system, and a very extensible filtering system. JaMaRe can also be used as Mail Router.

James-HA is a high availability distribution of Apache James. James-HA provides the capability of using multiple instances of Apache James against the same database backend for increased performance and automatic failover.

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.

JEM is an SMTP server with pluggable components that let you process email in any way you like. It can also extend beyond emails into generalised message processing (like JMS) and can even generate its own messages based on a Cron-like facility.