MailCleaner Open Source Edition is now discontinued but will continue under the spamtagger project
https://github.com/SpamTagger
[antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready.
MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet.
It...
Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support
ISPConfig - ISP management and Hosting Control Panel. ISPConfig manages one or more webservers, mailservers, BIND DNS server, FTP servers, MySQL databases and virtual Servers with an easy to use webinterface for administrators, resellers and clients.
i-MSCP (internet Multi Server Control Panel) is an open-source project which allows the management of shared hosting environments on Linux servers.
i-MSCP aims to provide an easy-to-use Web interface for end-users (administrators, resellers and clients) and to manage servers without any manual intervention on the filesystem.
With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.
You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
The deepOfix Mail Server makes it possible for organisations with minimal technical expertise to have robust server infrastructure. It offers unprecented ease of use, doesn't require prior GNU/Linux experience and is backed by a full-time support team.
This is an email server in a box. Using ldap authentication for imap, pop3, smtp, and SSL/TLS versions of each. Includes web user-interface, web administration, web filters. Installs on top of RedHat in under 20 minutes by running one script.
Fast-Pitch is a Linux web/mail server configuration tool. Automates download and install of free software, including Apache, ApacheToolBox, PHP, MySQL, phpMyAdmin, qmail, SquirrelMail, Courier-IMAP, ProFTPD, tinydns, osCommerce, MRTG, and more.