Useful for more complex questions or general discussion that doesn’t require real-time interactivity: mailing lists or ServerFault Q&A.
Users mailing list
Post your message to firstname.lastname@example.org. Other Rudder users or the project developers or leaders will see you email and respond as soon as they can. Messages usually get an answer within a few hours in European working hours.
ServerFault Q&A site
ServerFault is a great question and answer site for professional system and network administrators. You can ask all sorts of questions there, including questions on Rudder: Ask a Rudder question on ServerFault.
You might also want to check all previous questions tagged “Rudder” on ServerFault.