CIN Mailing Listshttp://www.cin.org/MailLists.html
Dozens of email discussion groups on all kinds of topics: CIN Main for general Catholic discussion. Some lists more active than others. This is a good source although moderation is sometimes uneven on some of the lists.
Submitted in section: Religion & Spirituality: Christianity: Denominations: Catholicism: Mailing Lists: CIN Mailing Lists