Do you want to build a web based, console or desktop application in C# that can convert an email file to PDF?
GroupDocs.Conversion for .NET is a one-stop solution for such a scenario. This API can be implemented in any of your (new or existing) .NET project without any dependency. Supported email formats are
API Usage and Implementation
You will get all details in the output PDF like recipients, subject or any image attachment.
Have a look at the converted PDF file