Net_POP3 Retreiving attachments from email

Hello,

I am using Net_POP3 to retrieve messages from a pop server. I am able to retrieve messages. But, if the email has attachments, I am having problem. How do I read the attachments as a separate file? How do I retrieve them?

And also, how do I read only the new messages or delete the messages on POP3 server as soon as I read from the POP3 server.

Thanks and Regards,
Karuna Nukala.