We are serious about our products which is where we spend our time. Not on a bunch of sales and marketing. If you are looking for great products with quick and responsive support, then look no further. The .NET framework now includes support for MIME, SMTP, and POP3. We decided it wasn't worth delivering this functionality into the .NET realm anymore, so we took these libraries out of the mix. Our .NET Internet Library package now includes the following useful libraries.