[horde] Passing Auth from Horde Group to IMP failing

[horde at corwyn.net]

At 01:32 PM 9/24/2008, Jan Schneider wrote:
CentOS5 running postfix, dovecot. Postfix maintains accounts in
>>mySQL. dovecot imap/pop authentication works to mySQL. Currently
>>using custom SQL queries in Horde > Authentication.  The queries at
>>least appear to be right, as I can log into horde using an account
>>set up in the mySQL database. I can log in (via command line to
>>IMAP) to dovecot/IMAP.
>>
>>I have edited imp/config/servers.php and set 'hordeauth' => 'full'
>>so users only need to login once and Horde then passes
>>authentication data to Imp
>>(http://oli.lugh.ch/horde-workaround.org.html)
>>
>>If I change horde authentication to use IMP, then logging into horde
>>also logs into IMP. However, What I would like is to be able to log
>>into horde using mysql, and have it automatically authenticate to
>>IMP / My Mailbox.  What currently happens is that I can log into
>>horde, but I still have a link to log into My Inbox. Selecting that
>>link means I have to log in again (same user ID and password).
>
>No, this should work.
>
>Jan.


Any suggestions on where to look for why it's not?