mailboxes `\
echo -n "+ "; \
for file in ~/Maildir/.*; do \
  box=$(basename "$file"); \
  if [ ! "$box" = '.' -a ! "$box" = '..' -a ! "$box" = '.customflags' \
      -a ! "$box" = '.subscriptions' ]; then \
    echo -n "\"+$box\" "; \
  fi; \
done`