diff --git a/docs/postfix_configuration b/docs/postfix_configuration
new file mode 100644
index 0000000..0decfb5
--- /dev/null
+++ b/docs/postfix_configuration
@@ -0,0 +1,17 @@
+Add to /etc/postfix/main.cf:
+    smtpd_reject_unlisted_recipient = no
+    transport_maps = regexp:/etc/postfix/wg_mailer_transport
+    wgml_destination_recipient_limit = 1
+
+Add to /etc/postfix/master.cf:
+    wgml      unix  -       n       n       -       -       pipe
+        flags=FR user=martin argv=/data/custom/webgui_newsletter/sbin/newsletter-transport.pl ${domain} ${user}
+
+
+Create /etc/postfix/wg_mailer_transport:
+    /^[a-zA-Z0-9]+-bounce@/         wgnl:
+
+And run:
+    postmap /etc/postfix/wg_mailer_transport
+
+Finally restart postfix.