diff --git a/README.disable-milter-mail-filter b/README.disable-milter-mail-filter
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+# ----------
+# Disable Milter (mail filter) for (remote) SMTP client IP address(es).
+
+# see: 
+#     https://www.postfix.org/MILTER_README.html
+#     https://www.postfix.org/MILTER_README.html#per-client
+#
+#     https://www.postfix.org/postconf.5.html#smtpd_milter_maps
+
+