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Bayespam is a qmail spam filter written in Perl, using Bayesian classification to filter out unsolicited commercial email. It is written with ease of installation and use in mind, and it is encouraged that you give it a try. Bayespam actually learns as you give it more spam to process, so it should become better and better the longer you use it. Bayespam is based on a paper written by Paul Graham called A Plan for Spam. In this paper, Mr. Graham talked about a spam filter he is working on that used Bayesian classification to determine if a particular piece of email is spam or not.

Faces is a Gtk+ program for monitoring a list visually. Typically this is a list of incoming mail messages. IMAP and POP mailbox formats are supported. Faces has three different modes of operation: * The default will monitor for new mail. * You can monitor the whole of a mail file. * Custom monitoring. You can specify a program or shell script to run. Lots of good examples can be downloaded from: ftp://ftp.cs.indiana.edu/pub/faces/picons/src/ Audio capabilities are also provided as a conditional compilation option.

Sendmail implements a general purpose internetwork mail routing facility under the UNIX operating system. It is not tied to any one transport protocol - its function may be likened to a crossbar switch, relaying messages from one domain into another. In the process, it can do a limited amount of message header editing to put the message into a format that is appropriate for the receiving domain. All of this is done under the control of a configuration file. Sendmail is a trademark of Sendmail, Inc.

This module eases the task of checking if a given host is in the list. The methods available are described below: `->new(suffix)' Creates a list handle. The `suffix' parameter is mandatory and specifies which suffix to append to the queries. `->check($host)' `$host' can be either a hostname or an IP address. In the case of an IP Address, any trailing netmask (anything after a '/' character) will be ignored. In the case of a hostname, all the IP addresses will be looked up and checked against the list. If any of the addresses is in the list, the host will be considered in the list as a whole.

pylize is a presentation generation tool. Among its features are: * generates a template master document * creates a set of HTML slides from the master document * automatically creates the table of contents and distributes it to serveral slides if necessary * a nice CSS driven slide layout, including logo, navigation links, progress-bar etc. * easy navigation by accesskeys and single-key presses (through JavaScript) * easy changing of layout through templates * all information for a presentation in one master file, but configurable through a per-user options file * fully localized

Spamcalc takes a hostname or a list of hostnames and determines a dns spam score for each hostname. This value is an indication for the spam-ness of the hostname. The higher the score, the higher the chance that the hostname is actually a dns spam hostname. Hostnames that are considered dns spam are hostnames with (a part of) a sentence in them (master.of.the.world.net), swearwords (shittywhore.armaster.roadkill.net) and other forms of unwanted textual data (666666666666666666666666666666666.sixtysix.org, 0-1-2-3-4-5.blah.com).

This module allows you to write a Stomp client. Stomp is the Streaming Text Orientated Messaging Protocol (or the Protocol Briefly Known as TTMP and Represented by the symbol :ttmp). It's a simple and easy to implement protocol for working with Message Orientated Middleware from any language. Net::Stomp is useful for talking to Apache ActiveMQ, an open source (Apache 2.0 licensed) Java Message Service 1.1 (JMS) message broker packed with many enterprise features. A Stomp frame consists of a command, a series of headers and a body - see Net::Stomp::Frame for more details. For details on the protocol see http://stomp.codehaus.org/Protocol.

The Corosync Cluster Engine is a Group Communication System with additional features for implementing high availability within applications. The project provides four C Application Programming Interface features: * A closed process group communication model with virtual synchrony guarantees for creating replicated state machines. * A simple availability manager that restarts the application process when it has failed. * A configuration and statistics in-memory database that provide the ability to set, retrieve, and receive change notifications of information. * A quorum system that notifies applications when quorum is achieved or lost. Corosync is used as a High Availability framework by projects such as Apache Qpid and Pacemaker.

The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. It provides client accuracies typically within a millisecond on LANs and up to a few tens of milliseconds on WANs relative to a primary server synchronized to Coordinated Universal Time (UTC) via a Global Positioning Service (GPS) receiver, for example. Typical NTP configurations utilize multiple redundant servers and diverse network paths, in order to achieve high accuracy and reliability. Some configurations include cryptographic authentication to prevent accidental or malicious protocol attacks. See homepage for more infos:

Every UPnP device and UPnP client (or control point in UPnP terminology) needs to listen to SSDP packets broadcasted to the group 239.255.255.250:1900. When several UPnP devices are running on the same server, or several UPnP control points are trying a discovery process on the same server, there is concurence to open a bind a socket on the UDP port 1900. MiniSSDPd can also provide a history of the SSDP NOTIFY packets sent on the network during a period of a few minutes and it keeps track of all UPnP devices that announced themselves on the network through SSDP NOTIFY packets.