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Anti-Spam SMTP Proxy Server implements multiple spam filters
The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261.
A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are...
It is not only a web server, it is also
Mail server, DNS server, FTP server, Proxy server, VPN server and client... All in one!
This program will help you to open all the possibilities Internet can offer for your company -
public site, provide Internet access and personal mailboxes for each employee!
HTTP server.
Server Side Includes. Regular expression in SSI.
CGI interface for scripts (Executable files; Perl,PHP, or another external interpreters)
...
Access Yahoo Mail from your email client (Outlook, Thunderbird, etc.). The IMAP ID proxy adds an "IMAP ID command" needed to get Yahoo to provide IMAP access.
Acoma process email communication on server or desktop side and attach relevant information from various sources to an email messages. It can be used within any email client or mobile device since it is hooked up to email as a proxy to SMTP or POP3.
Microsoft Exchange compatible server and client libraries
OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers.
OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native...
EmailProxy is a proxy server made in Perl. It tunnels POP3 commands from the client to the pop3 host. It only connects with accounts described on it's configuration file.
After the presentation on CeBIT 2004 fair finally available: SpamStop works as a Proxy between your Pop3-Client and the -Provider, it uses a Support Vector Machine to classfy incoming mails and automatically learns classifiers from samples of your mails.
Proxy/pseudo-server for use on client computers for spam/virus checking. Designed to work with SpamAssassin, Razor, or any other system which has similiar functionality.
The MSN Compatibility Daemon allows the use of any mail and news software on servers requiring the Microsoft Secure Password Authentication Protocol. It handles the authentication and then serves as a proxy between the server and the client software.