POP3 component

I need to build a component using C#.NET that will look for emails with attachments. It needs to automatically download the attachment to a certain directory.
I don't even know where to start.
Please help.This article might get your started.

http://www.developerfusion.com/show/4071/
Thank you very much

POP3 Email Account Polling

I am looking for a way to automatically poll a pop3 email account in asp.net. Basically I need to check the inbox every 15 seconds and on new e-mail get the from and body. Then I can do work with it like call a Microsoft SQL stored proc.

there are several pop3 clients available you can use to do this.

http://www.codeproject.com/KB/IP/despop3client.aspx