# Find MIME type string, using mimetypeproc if configured with it.
MIMETYPEPROC=`mhparam mimetypeproc`
content_type_string() {
+echo $MIMETYPEPROC; $MIMETYPEPROC $1 # temporary, for debugging on OpenBSD
+ls -l dead.letter; /bin/rm -f dead.letter # temporary, for debugging on OpenBSD
+
if test -z "$MIMETYPEPROC"; then
echo "text/plain; name=\"`basename $1`\"; charset=\"us-ascii\""
else