diff --git a/docs/dmarc.rst b/docs/dmarc.rst
index a823c3a..f08b5cb 100644
--- a/docs/dmarc.rst
+++ b/docs/dmarc.rst
@@ -16,7 +16,8 @@ Add a ``rua`` tag
     +``v=DMARC1; p=none; rua=postmaster@example.com``
 
 This instructs receiving mail servers to mail reports to
-``postmaster@example.com``.
+``postmaster@example.com``. Note that you may want to set up a separate mailbox
+just for these autogenerated mails.
 
 If you need more detailed reports, there's a ``ruf`` tag as well.