MailBee WebMail Lite   
http://www.afterlogic.com

MailBee WebMail Lite is an easy-to-install web-based email interface. It's built as a FREE set of ASP scripts with full source code and is powered by MailBee Objects. Users can receive, view, manage, compose and send email through web-interface (POP3 and SMTP supported). Supports multiple attachments, ESMTP, skins, web-based administration. Correctly and safely displays HTML mail. All ASP scripts may be modified or used "as-is".

MailBee.NET Objects   
http://www.afterlogic.com

MailBee.NET Objects is a set of powerful and robust .NET components for composing, sending, accessing and parsing mail on SMTP, POP3, and IMAP4 servers. Written in 100% managed C# code, MailBee.NET Objects can be used in desktop, console, and ASP.NET applications developed in C#/VB.NET/etc. The key features of the components: quick methods for sending and receiving mail with a single line of code; POP3, IMAP4, and SMTP PIPELINING; secure TLS/SSL connections; accurate and flexible MIME parser; MS-TNEF (winmail.dat) attachments support; compose/view/preprocess HTML mails with embedded pictures; HTML-to-PlainText conversion and vice versa; mail merge, ESMTP, send without SMTP server, send a web page, send to IIS SMTP queue, Delivery Status Notifications; secure and user-defined authentication (including NTLM and POP-before-SMTP); Windows Integrated Authentication (authenticate using the current Windows user credentials); TO/CC/BCC, international charsets, custom headers, custom message formats (such as meeting request items); multiple attachments, file and memory attachments, access to every MIME part; XML, streams, backup SMTP and DNS servers, multi-threading, asynchronous methods; a lot of unique features like moving messages between folders in IMAP; rich set of events and error handling features, memory and file logging, and much more; documentation is available in CHM, VS.NET 2003, and VS.NET 2005 formats; royalty-free distribution.

MailBee WebMail Lite   
http://www.iforum.com

MailBee WebMail Lite is an easy-to-install web-based email interface. It's built as a FREE set of ASP scripts with full source code and is powered by MailBee Objects. Users can receive, view, manage, compose and send email through web-interface (POP3 and SMTP supported). Supports multiple attachments, ESMTP, skins, web-based administration. Correctly and safely displays HTML mail. All ASP scripts may be modified or used "as-is".

Check Mail (POP)   
http://www.e-eeasy.com

Lightweight customisable new mail notification utility for any POP account. Capable of launching your mail client or a web page of your choosing. Change the alert sound, display a notification box or even customise the icons. Works with SSL so you can use it to notify of new mail into your GMail account. Very easy to setup and use.

irobot   
http://www.irobotsoft.com

IRobot is a general Internet-robot creator. Three most popular robots are: 1. BaiDu, SoGua MP3 download; 2. Web mail notification robot; 3. Job search robot; BaiDu MP3 robot download MP3 from BaiDu and SoGuo. Multithread, deep Internet traveling, MP3 files are save in music name. Web mail notification robot (Checkmail robot) checks your web mails from Hotmail, Yahoo, and Gmail and notify you as soon as new messages arrive. Job search robot monitor new jobs from Monster and Yahoo Hotjob websites.