lockfile-touch "$HOST" &
TOUCH="$!"
trap 'kill "$TOUCH"; lockfile-remove "$HOST"' EXIT ERR HUP INT QUIT TERM
+disown %1
ssh -2 -i "$HOME/.ssh/id-bsmtp-$HOST" -C "$HOST" bsmtp-pull-server > "$HOST"
+if [ "$BSMTP_PULL_DEBUG" ]; then
+ ls -l "$HOST" || true
+fi
[ -s "$HOST" ] || exit 0
/usr/sbin/sendmail -bS -odq < "$HOST"
rm -f "$HOST"