Enscriptions is a discussion list devoted to Roguelike Games. It's implemented as a web-based forum instead of a mailing list, though there is still a way to get posts emailed to you.

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Enscriptions Archives (from the old forum)
# Start Date Discussion Highlights
01 1998-06-17 Introductions, Heroes 3, Diablo 2, ADOM vs Angband and NetHack. Lots of stuff here. I've cleaned out most of the "zeny hack" posts.
02 2005-03-21 Doom roguelikes, Underdelve. [final post 2006-02-09]