Regarding the use of the mutt-specific MIME-encrusted PGP message format on mailing lists, I think Jon Callas (author of the OpenPGP RFC) sums up the issues best:
http://www.imc.org/ietf-openpgp/mail-archive/msg03786.html
Regarding the use of the mutt-specific MIME-encrusted PGP message format on mailing lists, I think Jon Callas (author of the OpenPGP RFC) sums up the issues best:
http://www.imc.org/ietf-openpgp/mail-archive/msg03786.html