It seems some of the classes have been refactored … here are the compiler errors I am now getting:
It seems you have upgraded to the improved namespace structure of Aspose.Email for .NET. If it is so, you can consult the
[Release Notes ](https://docs.aspose.com/display/emailnet/Aspose.Email+for+.NET+16.12.0+(Revamped)+Release+Notes) of the version where all such changes have been mentioned. Please have a look at these and let us know if you need any further assistance in this regard.