If you have technical questions for Marco, please use the a newgroup. I can recommend Delphi Praxis at en.delphipraxis.net/ for a good modern day Delphi newsgroup
For private messages to Marco use one of the following email addresses:
marco.cantu at GMail (@gmail.com) (New main address)
- marco on the domain marcocantu.com (Another main address)
- For Delphi product related question feel free to reach me at the embarcadero.com domain email address, as marco.cantu.