The discussion forums are the preferred way to ask technical questions.
Should you encounter any bugs in Panda3D, you can report these in the issue tracker on GitHub.
E-Mail should be used for any communication that must be kept private. Contact the panda team at the Entertainment Technology Center: email@example.com
The Panda3D Development Team
Entertainment Technology Center
Carnegie Mellon University
700 Technology Drive, Room 5305
Pittsburgh, PA 15219