mlisp is a Common Lisp mailing list manager (Smartlist/Mailman 2
replacement) for Maildir environments, plus mlisp-bugs, a
Debbugs-compatible email bug tracker built on the same Maildir
architecture (bug state is derived by scanning the Maildir archive,
exactly as Debbugs does).

Features include subscriber self-service commands, namespace subgroups
(discuss/announce/devel/owner/security/commits/users/distrib/request),
a pluggable pre/post-filter pipeline (spam/AV/archive hooks), GPG
require-signed enforcement, DMARC From-rewriting, VERP bounce
attribution, double opt-in confirmation, RFC 8058 one-click unsubscribe,
AllFix-style file distribution (mlisp-distrib), and an s-expr DSL for
generating procmailrc recipes (mlisp-procmail-gen).

WWW: https://github.com/denzuko/mlisp
