* mailmap support (same as git) for remapping expired email addresses
-* Optional cookies in WWW interface for user-configurable colors
-
* WWW: Hybrid flat view + thread skeleton (requires Xapian)
* POP3 server, since some webmail providers support external POP3:
likewise "[Bug #123456]" could be configured to expand to
point to some project's bug tracker at http://example.com/bug/123456
+* Support optional "HTTPS Everywhere" for mapping old HTTP to HTTPS
+ links if (and only if) the user wants to use HTTPS. We may also
+ be able to configure redirects for expired URLs.
+
+ Note: message bodies rendered as HTML themselves must NOT change,
+ the links should point to an anchor tag within the same page,
+ instead; giving the user options.
+
* implement RFC 4685 (Atom message threading)
* configurable constants (index limits, search results)