TODO

perdition
Mail retrieval proxy server
Copyright (C) 1999-2005  Horms <horms@verge.net.au>
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Key: +: highly desired for the next release
     *: may not be completed before the next release

From Horms
*  Make TLS IMAP and POP Server support RFC 2595 compliant
     * Option to only use tls if advertised by server on a per-user basis
* Support SSL CRLs (maybey?)
* Support persistent SSL ID Cache (maybe?)
* Add SSL suport to LDAP module

From Jon Griffiths
* LDAPS support
* Separate configuration for LDAP (and other?) map libraries

From Rob Wyn Jones
* Allow multiple servers for a user (or default) are connect to in series
  (rather than randomly)

From Krzysztof Sierota
* Method of evaluating if mailboxes are empty to avoid have to
  authenticate with the backend server. Method is yet to be determined :)

From Erik R. Leo
* BSD/OS login.conf support

Richard Holbert
* Lie and say there are 0 messages if a real-server can't be contacted.

* Fix schema path in perditiondb_ldap_makedb

Liu Jinhui
* Pass through error messages from real servers

Russell Corker
* Round robin requests to LDAP servers.

Mark D. Roth
* Autodetect inetd mode
     stat(fileno(stdin), &s);
     if (S_ISSOCK(s.st_mode))
     {
       inetd_mode = TRUE;
     }

Erwin Lubbers
* Periodically send a NOOP to keep connections alive (IMAP)

Markus Schlosser
* Don't log password when connection logging is enabled

Leen Besselink
* IPv6 support

"-G.-"
* Allow SSL key with pashphrase

Cami
* Allow restriction of access to a set of known source ip addresses
  on a per-user basis.
  - This would probably best added as a generalised set of restrictions
    that can be dictated by the popmap and would likely involve expanding
    the popmap api.

Paul Gamble
* Allow a single process to listen on multiple ports.


* Document how to ommit portion option for MySQL
* Have a pre and post auth timeout

* Custom login-disabled messages
  - input from query-key?
  - returned by pop-map?

* Connection rate limiting
