Aspose.Mime

From Aspose:

Aspose.Mime is a pure C#, fully managed component, allowing you to parse email messages in your applications. Aspose.Mime can be a core part of any solution that have to obtain and parse email, like POP3 and IMAP-based applications. Aspose.Mime allows you to absolutely avoid using of unmanaged code in your applications, increase reliability, and decrease costs for debugging. Aspose.Email allows you to parse any number of email messages received from any source, like POP3 and IMAP servers. It provides you with access to any part of message, including plain text and html parts. You can also access any embedded object or attachment and save it into any stream or file.