If you want to volunteer for DebConf, you can contact the DebConf Team mailing list: email@example.com. This list is used for general organization. It has open subscription and public archives.
Accommodation and Registration
All questions and inquiries regarding either accomodation or registration should be directed to the Registration Team: firstname.lastname@example.org
Questions and inquiries about talks and paper submissions: email@example.com
Send your questions and inquiries about sponsorship and becoming a sponsor: firstname.lastname@example.org.
Legal responsibilities regarding visa, conference invitations fall on our Visa Team email@example.com.
Report harassment and anything contributing to a disrespectful environment to firstname.lastname@example.org.