diff --git a/lists.html b/lists.html
index fb784f8d2732..a3beda2d64e0 100755
--- a/lists.html
+++ b/lists.html
@@ -42,7 +42,14 @@ answer.
-- None of the below lists accept html mail. Use plain text only.
+- None of the below lists accept
+html mail.
+Use plain text only.
+If you include attachments, please try to ensure they are in plain text,
+and limit them to about 180KB, as with encoding and email overhead,
+any larger will exceed the size limits for emails to these lists.
+
+
- Please do not feed the spammers by including raw email addresses in the body of your message.