1 files changed, 3 insertions, 1 deletions
diff --git a/NEWS b/NEWS
index ff4debae..e037982c 100644
--- a/NEWS
+++ b/NEWS
@@ -26,7 +26,9 @@ Here is a history of user visible changes to Mailman.
 
     - A new BLOCK_SPAMHAUS_LISTED_IP_SUBSCRIBE setting has been added to
       enable blocking web subscribes from IPv4 addresses listed in Spamhaus
-      SBL, CSS or XBL.
+      SBL, CSS or XBL.  It will work with IPv6 addresses if Python's
+      py2-ipaddress module is installed.  The module can be installed via pip
+      if not included in your Python.
 
   i18n