Index: trunk/server/fedora/config/etc/postfix/main.cf
===================================================================
--- trunk/server/fedora/config/etc/postfix/main.cf	(revision 2725)
+++ trunk/server/fedora/config/etc/postfix/main.cf	(revision 2726)
@@ -38,5 +38,3 @@
 # "all" is the default, but if we do not specify it, Fedora's packaging
 # will add the wrong value here.
-# 21 Oct 2015: switching to ipv4 only, since our ipv6 addresses don't
-# have rDNS records
-inet_protocols = ipv4
+inet_protocols = all