bind added in case

emailwiz.sh

@@ -17,7 +17,7 @@
 
 umask 0022
 
-apt-get install -y postfix postfix-pcre dovecot-imapd dovecot-pop3d dovecot-sieve opendkim opendkim-tools spamassassin spamc net-tools fail2ban
+apt-get install -y postfix postfix-pcre dovecot-imapd dovecot-pop3d dovecot-sieve opendkim opendkim-tools spamassassin spamc net-tools fail2ban bind9-host
 domain="$(cat /etc/mailname)"
 subdom=${MAIL_SUBDOM:-mail}
 maildomain="$subdom.$domain"