Campus Mailing Lists, What are the different mail list types?
What are the different types of mailing lists?
There are multiple mail list types. The setting: (Admin) > Edit List Config > Sending/receiving setup - Who can send messages setting describes +25 different list types. You can find a description of the types in the Campus Mailing List User Guide, https://wiki.illinois.edu/wiki/display/maillists/Define+who+can+send+messages+to+your+List .
The privileged list owners have permission to can change the list type. See the above article for details.