+if dpkg -l exim4-config > /dev/null ; then
+ echo "******************************************************************"
+ echo "* Unable to set up SMTP over Tor, exim4-config already installed *"
+ echo "* Purge the package and try again, or *"
+ echo "* run "dpkg-reconfigure exim4-config" to configure manually. *"
+ echo "******************************************************************"
+ echo "* Enable '$torhsname' as mail domain.
+ exit 1
+fi
+