exim4 subd i rectory

src/freedombone-base-email

     fi
 
     # shellcheck disable=SC2154
-    if [ ! -d "$INSTALL_DIR" ]; then
+    if [ ! -d "$INSTALL_DIR/exim4" ]; then
         mkdir -p "$INSTALL_DIR/exim4"
     fi
     cd "$INSTALL_DIR/exim4" || exit 3468356