OK one small correction.
:0fh
| $FORMAIL -rtz \
-I "Subject: Re: $SUBJECT [rejected]" \
-A "X-Loop: robert(_at_)elastica(_dot_)com" \
-I 'Content-Type: multipart/mixed; boundary="--
next item --"'
:0fb
| echo "This is the preamble of an RFC-1521 encoded, mixed
message." ;\
echo "---- next item --" ;\
echo "Content-Type: text/plain" ;\
echo "" ;\
$CAT $MESSAGE | $SED "s/\$SPAMCODE/$SPAM_CODE/g";\
echo "---- next item --" ;\
echo "Content-Type: message/rfc822" ;\
echo "" ;\
$CAT - ;\
echo "---- next item ----"
Does there need to be a blank line after the optional preamble? I didn't
think so. Anyway, The message comes out like I expect it should but Pine
doesn't see it as a mime message.