Web Directory

» DixieMail
   A SMTP and POP3 email server. [Freeware, open source]
   http://www.ghofulpo.com/dixiemail/dixiemail.htm

» Dwarf Mail Server
   A full-featured SMTP/POP3/IMAP4 server with pluggable mail filters and agents for application processing. [Shareware]
   http://www.gnome.sk/Dwarf/dwarf_mail.html

» JAMS
   Java mail server. Uses a JDBC database (free database InstantDB is provided) to store messages. [Open Source, GPL]
   http://www.kimble.easynet.co.uk/jams/

» JEmail
   Very simple smtp pop3 java email server implementation with source. [Open Source,GPL]
   http://sourceforge.net/projects/jemail

» Java Apache Mail Enterprise Server (JAMES)
   Fully-featured mail server which handles both transport and storage, and allows for easy extensibility using MailServlets (for example: send mails as fax or voice, filter mailets, translator, mailing list, newspaper via mail). [Open Source, BSD-like]
   http://james.apache.org/

» Java(tm) Mailserver
   A SMTP/POP3 server running under Java 2 Runtime Environment. Includes a list of features, original code base, and how-to configure it.
   http://jmailsrv.sourceforge.net/

» Jsmtpd
   A modular SMTP daemon (mail server) written in Java. [Open source, GPL]
   http://www.jsmtpd.org

» Newsletter Dispenser Server
   Newsletter software capable of publishing e-mail newsletter and maintaining the subscribers. This newsletter software written in Java, provides statistics and analysis for the published newsletters. [Commercial]
   http://www.newsletterdispenser.com/

» Refer's Java POP3 server
   A very simple example of a POP3 server in java. [Open source]
   http://home.wanadoo.nl/efx/java/pop3/

» XMS
   Java 1.5 certified email application server. [Commercial]
   http://www.activsoftware.com/xms/