vpopmail provides you an easy way to manage virtual email domains.

Rit script can be used to manipulate mailboxes over IMAP, allowing you to copy and delete mailboxes and their contents.

libsmtp is a C library to send mail via SMTP.

mimetic is an Email library (MIME) written in C++.

new 2.5.0 - Amavisd is a high-performance and reliable interface between mailer (MTA) and one or more content checkers: virus scanners, and/or Mail::SpamAssassin Perl module.

Protector is a low maintenance e-mail virus blockade system.

Tool - MIME-Tool application is a mime encoding tool.

PowerMail is a redundant and distributed system for receiving and storing electronic mail.

ripMIME has a single sole pupose, to extract the attached files out of a MIME package.

senddfbymail is a Perl script (with Web interface) that can download files from the Internet and e-mail them to a certain user.

Active Spam Killer helps you to remove spam messages.

Checkaliases reads a sendmail aliases file and reports problems in it.

HLDFilter is a unix based mail filter written in perl to replace procmail and many other mail utilities.

mail2clf generates a CLF (Common Logfile Format) file from a bunch of mails.

mail2thread finds threads in a bunch of mail messages and outputs them in various ways.

SquirrelMail is a standards-based webmail package written in PHP4.

SMTP/POP3 Email Engine Library is a library of functions providing easy control of the SMTP (Simple Mail Transport Protocol) and POP3 (Post Office 3) protocols.

Perl Webmail is a CGI/mod_perl application that interfaces with external POP3 and SMTP services.

PhpXmail is a web based management software for the Xmail mail server written in php.

Contact Form is a Perl script that allows users to send you email through a web interface.

IP*Works! - COM library optimized for ASP pages and server-side programming.

@Mail can be used as a Webmail interface to an existing mail server.

4AspNet POP3 .NET Component is a powerful, inexpensive, and easy to use component which allows you to download and parse emails from a POP3 server.

Mail Master is a Web-Based E-Mail Management Software.

Virtual Mail for Postfix helps you to manage virtual pop3/imap domains using Postfix, Courier and PostgreSQL.

BS Form allows a visitor to send an e-mail to a specified recepient directly from the site.

Outlook Export class allows for the export of messages, Contacts and notes from Outlook to a ZODB filesystem database.

Send an HTML email script sends a short HTML message with a single embedded image and an alternate plain text message.

Form 3.0 - PHPEasy-Form allows you to design forms that are able to send their content through email.

IMAP - Courier-IMAP is a fast, scalable, enterprise IMAP server that uses Maildirs.