+if [ -r $target/etc/postfix/main.cf ] ; then
+ sed -i "s/^mydestination = .*/mydestination = $HOSTNAME, localhost, localhost.localdomain/" $target/etc/postfix/main.cf
+ sed -i "s/^myhostname = .*/myhostname = $HOSTNAME/" $target/etc/postfix/main.cf
+fi
+