Date: Sun, 29 Dec 1996 09:33:31 -0600
From: Mail Delivery Subsystem
<MAILER-DAEMON(_at_)demthu(_dot_)saomai(_dot_)org>
Subject: Returned mail: /udd/michael/.forward: line 1: "|IFS=' '&&exec
/usr/bin/procmail -f-||exit 75 #michael"... User
michael(_at_)demthu(_dot_)saomai(_dot_)org
doesn't have a valid shell for mailing to programs
To: <viet(_at_)airmail(_dot_)net>
MIME-Version: 1.0
Auto-Submitted: auto-generated (failure)
The original message was received at Sun, 29 Dec 1996 09:33:30 -0600
from mail.airmail.net [206.66.12.40]
----- The following addresses have delivery notifications -----
"|IFS=' '&&exec /usr/bin/procmail -f-||exit 75 #michael"
(unrecoverable error)
(expanded from: <michael(_at_)saomai(_dot_)org>)
----- Transcript of session follows -----
550 /udd/michael/.forward: line 1: "|IFS=' '&&exec /usr/bin/procmail
-f-||exit 75 #michael"... User michael(_at_)demthu(_dot_)saomai(_dot_)org
doesn't have
a
valid shell for mailing to programs
I'm guessing that this relates to procmail's pipe functionality.
I'm also guessing that you can subvert this by including
SHELL=/bin/sh
in your .procmailrc
BTW: What is your login shell on this machine?
grep yourusername /etc/passwd