venture a guess at a more general email policy

policy/tpa-rfc-15-email-services.md

@@ -259,10 +259,10 @@ Possible solutions include:
     
 This goes in hand with the [email policy problem][] which is basically
 the question of what service can be used for (e.g. forwards vs lists
-vs RT).
-
-TODO: formulate a quick guess as to the solution to the email policy
-problem here.
+vs RT). In general, email forwarding causes all sorts of problems and
+we may want to consider, in the long term, other options for many
+aliases, either mailing lists or issue trackers. But that question is
+out of scope of this proposal for now.
 
 ### Incoming mail filtering