Jack proclaimed on mutt-users that:
> reply to my own question:
> it's
> set dsn_notify="failure,delay"
> set dsn_return="hdrs"
> caused problem.
> note: you should not enable this unless you are using Sendmail 8.8.x
> or greater. it's what in the manual.
Actually, the manual should say "don't enable this unless your MTA supports
DSN (return receipts)". Lots of MTAs other than sendmail support DSN. Some,
like exim, qmail and postfix, don't.
--suresh
--
Suresh Ramasubramanian + Wallopus Malletus Indigenensis
mallet @ cluestick.org + Lumber Cartel of India, tinlcI
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin