syntax error: unexpected end of file?
#!/bin/sh
if [ "$(whoami)" != 'root' ]; then
    echo ""
    echo "You have no permission to run `basename $0` as non-root user."
    echo ""
    exit 1;
fi
if [ $# -lt 2 ]; then
    echo ""
    echo "Usage: `basename $0`
 mailbox@example.com password"
    echo ""
    exit 0
fi
mailuser=$1
pass=$2
hash=`dovecotpw -s MD5 -p $pass`
user=`echo $mailuser |cut -d'@' -f1`
domain=`echo $mailuser |cut -d'@' -f2`
mkdir -p /var/mail/$domain/$user
touch /var/mail/$domain/$user/mbox
chown -R Debian-exim:Debian-exim /var/mail/$domain
if ! grep $domain /etc/exim4/domains >/dev/null
then
echo "$domain:$domain::no" >>/etc/exim4/domains
fi
uid=`cat /etc/passwd |grep "Debian-exim"|awk -F : '{ print $3 }'`
echo "$mailuser:$uid:$uid:0:/var/mail/$domain/$user:no:" >>/etc/exim4/passwd
echo "$mailuser:$hash:$uid:$uid::/var/mail/$domain/$user:::/var/mail/$domain/$user/mbox" >>/etc/dovecot/dovecot.passwd