added root check and needrestart check

bin/email.sh

@@ -9,10 +9,13 @@ echo '\033[35m
 \033[0m'
 echo "\033[35;1mEnable mail sending for php \033[0m"
 
-# TODO check if root
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root"
+  exit
+fi
 
 # http://www.sycha.com/lamp-setup-debian-linux-apache-mysql-php#anchor13
-sleep 3
+sleep 2
 apt-get --yes --force-yes install exim4
 echo "\033[35;1mConfiguring EXIM4 \033[0m"
 while [ "$configexim" != "y" ] && [ "$configexim" != "n" ]