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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.
This anonymous emailer script written in PHP is a free, opensource project designed to send EMails from anyone to anyone, with additional details such as Reply-To ,an anti-spam CAPTCHA and a WYSIWYG.
The MailRA resource adapter allows sending and asynchronously (non-polling) receiving of emails. It is coded according to the JCA 1.5 and Java EE 5 standards. The project is coded from scratch, without using sourcecode from Sun.
jwSMTP, Send email programmatically (C++ code/lib). Linux, BSD, Windows etc. Attachments, Multiple recipients, Cc/Bcc recipients supported. MX lookup or send to an SMTP server direct. LOGIN and PLAIN authentication now supported. Html or plain text forma
elspy is an extension to the Exim MTA that allows Exim users to supply a local_scan() function written in Python instead of C. (Exim's local_scan() API lets sysadmins supply site-specific code for approving/rejecting email messages at SMTP time.)
An open project for a number of activex controls for use in the Windows environment. The controls have been sold commerical before by Eurosource (http://www.eurosource.se) but are now free complete with sourcecode.
authd mail policy server; this server talks to postfix, sendmail, and anything else that wants to link to libauthd.a. The code has been stable for years, but the documentation brings us from Mature to Beta. This project has had no changes in 2+ years oth