./hostname | tr '[A-Z]' '[a-z]' | (

  if read host

  then

    echo Your hostname is "$host".

    ./dnsfq "$host" | tr '[A-Z]' '[a-z]' | (

      if read fqdn

      then

        echo Your host\'s fully qualified name in DNS is "$fqdn".

	echo Putting "$fqdn" into control/me...

	echo "$fqdn" > QMAIL/control/me

	chmod 644 QMAIL/control/me

	( echo "$fqdn" | sed 's/^\([^\.]*\)\.\([^\.]*\)\./\2\./' | (

	  read ddom

	  echo Putting "$ddom" into control/defaultdomain...

	  echo "$ddom" > QMAIL/control/defaultdomain

	  chmod 644 QMAIL/control/defaultdomain

	) )

	( echo "$fqdn" | sed 's/^.*\.\([^\.]*\)\.\([^\.]*\)$/\1.\2/' | (

	  read pdom

	  echo Putting "$pdom" into control/plusdomain...

	  echo "$pdom" > QMAIL/control/plusdomain

	  chmod 644 QMAIL/control/plusdomain

	) )

	echo ' '

	echo Checking local IP addresses:

	: > QMAIL/control/locals

	chmod 644 QMAIL/control/locals

	( ./dnsip "$fqdn"

	  ./ipmeprint ) | sort -u | \

	(

	  while read localip

	  do

	    echo "$localip: " | tr -d '\012'

	    ./dnsptr "$localip" 2>/dev/null | (

	      if read local

	      then

		echo Adding "$local" to control/locals...

		echo "$local" >> QMAIL/control/locals

	      else

		echo PTR lookup failed. I assume this address has no DNS name.

	      fi

	    )

	  done

	)

	echo ' '

	echo If there are any other domain names that point to you,

	echo you will have to add them to QMAIL/control/locals.

	echo You don\'t have to worry about aliases, i.e., domains with CNAME records.

	echo ' '

	echo Copying QMAIL/control/locals to QMAIL/control/rcpthosts...

	cp QMAIL/control/locals QMAIL/control/rcpthosts

	chmod 644 QMAIL/control/rcpthosts

	echo 'Now qmail will refuse to accept SMTP messages except to those hosts.'

	echo 'Make sure to change rcpthosts if you add hosts to locals or virtualdomains!'

      else

        echo Sorry, I couldn\'t find your host\'s canonical name in DNS.

        echo You will have to set up control/me yourself.

      fi

    )

  else

    echo Sorry, I couldn\'t find your hostname.

    echo You will have to set up control/me yourself.

  fi

)