Help for .NET SMTP Component, $300

Question

Looking for Source code of the .NET SMPT Component, which has the following features: For detail, check http://www.e2xpert.com/postedit.asp?ProjectID=10156 • Send HTML email with embedded images. • Send multipart/alternative emails with both HTML and plain-text bodies. • Set return receipt. • Add recipients as To, CC, or BCC. • Save attachments to disk. • Get attachment information: filename, size, etc. • Get digital certificate information for signed/encrypted email. • Enumerate over the header fields in an email. • Can be used to send emails in the Windows Application, Windows Service or ASP.NET web Application. • Supports attachment using MIME. • Supports PLAIN Authentication with mail server. • All source code should be in C# or Visual Basic.NET. • Works under Windows XP, Windows 2000, Windows 2003 operation system. • No any other component is used in the source code except the components from the Microsoft Visual Studio.NET 2003. The source code should be clearly documented and includes workable examples in C# or VB.NET.