diff --git a/CoreModules/generic/conf.sh b/CoreModules/generic/conf.sh
index f0a6d11..8cb9c24 100644
--- a/CoreModules/generic/conf.sh
+++ b/CoreModules/generic/conf.sh
@@ -1,3 +1,18 @@
+##-------------##
+#    Postfix    #
+##-------------##
+
+sed -i 's/#inet_interfaces = all/inet_interfaces = loopback-only/g' /etc/postfix/main.cf
+sed -i 's/mydestination/#mydestination/g' /etc/postfix/main.cf
+sed -i 's/relayhost =/mydestination = '$hostname', localhost.'$hostname', '$hostname'/g' /etc/postfix/main.cf
+cat <<EOF > /etc/aliases
+# See man 5 aliases for format
+postmaster:    root
+root:          $email
+EOF
+newaliases
+
+
 ##------------##
 #   Fail2Ban   #
 ##------------##