I have founded or co-founded (and still co-manage some of) the following electronic discussion lists, which you may find interesting if you have found any of this site generally interesting:

CATEC-L
CATECHUMENATE DISCUSSION

ECCHST-L
ECCLESIASTICAL HISTORY

ELCA-L
VERY UNOFFICIAL EVANGELICAL LUTHERAN CHURCH IN AMERICA DISCUSSION LIST

H-AMREL
AMERICAN RELIGION

LITURGY-L
LITURGY

LTHRN-L
A PAN-LUTHERAN LIST

RELHUMOR
RELIGIOUS HUMOR