Kata Markon is a moderated, academic e-list dedicated to scholarly discussion and evaluation of critical questions surrounding the Gospel according to Mark. The folks at Liturgy-L focus their discussions on the academic study of historical and contemporary liturgy. You can find answers to your liturgy-related questions by posting them on this list. Check out the great resources and educational material about the Dead Sea Scrolls. The Revelation Studies Mailing List is for scholars and serious students of the book of Revelation.
Public archives are available at the homepage.
TC-List discusses Biblical textual criticism. Their homepage includes articles and webpages related to Historical Jesus studies. Austin Presbyterian Theological Seminary's An Exegetical Study of the Revised Common Lectionary encourages participation in its web-based study of each of the texts in the RCL cycle. The Desperate Preacher's Site hosts web-based discussion, conveniently divided into weekly discussion topics. GospelTalk restricts its discussion to each week's Episcopal gospel text.