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iKludge is a suite of support tools and services for the Windows mail server IMail from Ipswitch. Our goal is to improve on the security, scalability,...

XSMTP: The eXtensible Secure Mail Transfer Protocol and accompyaning XSMF (eXtensible Secure Mail Format) are XML-based standards for secure, traceabl...

Citadel is an advanced messaging and collaboration system for groupware and BBS applications. Users can connect to Citadel using any telnet, WWW, or ...

The Java Apache Mail Enterprise Server (Apache James) is a 100% pure Java server, designed to be a complete and portable enterprise mail engine soluti...

NullLogic Groupware is a modular Web-based groupware and email system designed for contact management and event scheduling. Additional features includ...

eXtended Account Management System (XAMS) allows Administration of Unix, Web, FTP, DNS, and email accounts to manage a providers typical userbase. Esp...

LinuXchangE is a powerful integration system that offers corporate network services like email, DNS, WINS, DHCP, VPN, PDC, and mass storage. It preten...

Quotient is multi-protocol (SMTP, POP, IMAP, SIP, HTTP, Q2Q) server that helps with all your online conversations, be they over email, IRC, IM, mailin...

libspf is a portable ANSI C implementation of the Sender Policy Framework.