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The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, Webmail, calendaring, and mailing list services.
jumfi will provide a java based uniform mail filter interface using C, JNI and Java. It will allow mail filters build in java to be applied to multiple mail servers of similar and different design.
Sortmail is a program to process incoming email, classify it and
process it accordingly. Sortmail can handle incoming email as it
arrives or download from a POP server. Sortmail is easier to
configure than procmail and can replace fetchmail.
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Auto Whitelist automates the detection of safe/valid email addresses by plugging into Postfix and monitoring sent mail and building a whitelist. It then automatically tags all incoming email with information regarding the senders email address status.
Sendmail-Jilter is an Open Source implementation of the Sendmail milter protocol, for implementing milters in Java that can interface with the Sendmail MTA.
Konfidi is a trust framework that uses topical trust values from a social network of authenticated people. When you receive an email from someone you do not know, but he/she is in the network, Konfidi will compute an inferred trust value for you.
jASEN is a pure java Anti Spam ENgine combining bayesian-like scanning with intelligent email inspection and classification. jASEN is best suited to developers wishing to integrate anti-spam services into an existing server based java email application.
The ploinMailFactory is a mailing framework that provides extended features like a templating mechanism, multitenancy and localizaion. Internally it uses the commons-email API from Apache.
Fast Greylist daemon as a Postfix Access Policy Delegation Service with a variable extendable rule set. The rules are used for whitelisting, blacklisting and greylisting based on information from the SMTP dialog on a "per delivery attempt" basis.
can send mails without a mail account. preview and manage up to 20 pop3-mailboxes, view only mail headers first. Mail adress scanner to find mailadresses in files. can send mails by using Remailers. Has a Header-Editor.
LightAttachment is a Postfix content filter designed to extract large attachment files from mails, saved them to a data server and replace them by a link into the mails. Its activity is monitored by a complete statistical reporting system.
MailArchiva is a powerful, full featured email archiving (email archiver) and compliance solution for mail systems such as Microsoft Exchange. It stores all incoming, outgoing and internal emails for long term storage. A web based user interface is avail
A system for filtering messages from your IMAP inbox on-demand. Filters are defined in an XML file. Matching messages can be moved, copied, or deleted. This is all independant of your choice of email client, as long as you use IMAP.
Camel's Eye is a powerful POP3 email filter. It supports DNS-based Blackhole Lists (DNSBL/RBL), Razor, and rules that search header or body. Features include regular expressions, scoring, deletion on server, automatic whitelisting through an SMTP proxy.
Pop3/Smtp connector for email server. Using scheduler / multithread download email from POP3 account or act as an SMTP gateway. Filtering via external tools.
Access IMAP-mailboxes automatically, delete spam marked by filtering software like spamassassin, get reports in regular intervals. Additional features: multi mailbox access, extended spam filtering can be integrated, test mode, no database needed.
This is a small and easy to use java smtp proxy to scan emails. !!! This project is still under construction. Next days i will release a manual und more documentation.
P3Scan is a fully transparent scanning proxy-server for email clients. It provides scanning of incoming/outgoing email messages for Virus''s, Worms, Trojans, Spam, and harmfull attachments. It can also parse messages for web-bugs.
SMTPSpy Proxy is a "dumb" SMTP proxy that waits for inbound SMTP requests and forwards all them directly to an external SMTP server, while outputting all e-mails passing through to a specified disk location, for monitoring purposes.