Since teams.debian.net aims to provide an environment in which most lists related to Debian could be hosted, there is very little in terms of hard rules, and no reasonable list would be rejected.
To actually request a list, you should email listmaster@teams.debian.net and send us a request for the list. As part of your request you should include the following items:
All lists on teams.debian.org follow a format of prefix-code@teams.debian.net, or prefix-code-qualifier@teams.debian.net. The prefix indicates what the list relates to, while the code identifies it. The qualifer part can be used if associated lists are required.
Currently available prefixes are: