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Sending email using the Simple Mail Transport Protocol (SMTP) can be a slow process, particularly when sending large numbers of messages using, for example, a bulk email tool. This process can be accelerated with considered use of asynchronous sending.

Yet another chat application, with server running in service mode or GUI mode.

Many modern applications send email for a variety of purposes. This includes sending email to customers, suppliers and other businesses or individuals or for reporting problems that have occurred whilst running a program. With.NET, sending mail is easy.

This application is built on the WCF .NET Framework 3.0. It uses duplex communication and TCP binding (for some reasons that are discussed later in this article). It concentrates on handling and controlling a WCF service that has to make reliable sessions with many clients and keep those connections alive as long as possible.

A fairly simple to use Winsock component, allowing simple networked applications. Built modeling the VB6 component of the same name, with enhancements.

Full implementation of a reusable DNS resolver component and a Dig.Net example application

An ASP.Net/AJAX interface for utorrent

Learn how to build your own mailing list server, making use of the new classes located in the System.Net.Mail namespace in .NET 2.0, as well as some techniques to retrieve emails from Outlook.

An Class for looking up Ip addresses against and DNS black list server

A simple to use resumable file downloader class that provides progress feedback for .NET 2.0 or .NET 1.1