ClearOS is an integrated network server gateway solution for small and distributed organizations. The software provides all the necessary server tools to run an organization including email, anti-virus, anti-spam, file sharing, groupware, VPN, firewall, intrusion detection/prevention, content filtering, bandwidth management, multi-WAN, and more. You can think of it as a next generation small business server. Through the intuitive Web-based management console, an administrator can configure the server software along with integrated cloud-based services.
XCmail is a MIME and multi POP3 capable mailtool for X11 using the Xclasses X11 layout library. Its main purpose is to read and write mail, allowing any kind of data to be attached. It can handle MIME types, has helpers to show different types, and can encode and decode binary data into ASCII to allow it to be transported as mail over the Internet. It has many built-in functions such as 2 vCards, unlimited POP3 servers, SMTP, SMTP after POP3, SMTP-AUTH (RFC2554), addressbook, encoders, filters, a special spam filter, spell checker, xface, and a new "virtual folder" concept. It also uses external programs to enhance its feature set. XCmail can be extended through a plugin interface.
qmail-smtpd-auth is a patch for qmail that enables it to support SMTP AUTH protocol with the following auth types: LOGIN, PLAIN and CRAM-MD5. It's based on a previous patch by Mr.Brisby that implemented LOGIN type. This version is enhanced and allows easy adding of new auth methods.
Maildrop Spam Filter is a Maildrop script file for identifying and adding a header to possible spam. Using the header, suspected spam can be filed in a low-priority mail folder or trashed. All suspected spam is edited to change text/html MIME parts to text/plain so that HTML is not rendered if the message is viewed.
Clusters and server farms often have many nodes and very little hardware support for locating and diagnosing problems, especially if the problem involves the network interface. Helpme is a small stand-alone program that allows a node to use the standard PC speaker, both to signal that a problem has been detected and to render arbitrary alphanumeric text using either Morse code or the NATO phonetic alphabet. The input syntax allows repeating messages and more.