[imp] can't log in imp

[Cedric Tardif]

Hi,

My setup.

Redhat 6.2
PHP 4.2.2
HORDE/IMP cvs 2002-11-11

configuration modified :
/horde/config/config.php
$conf['auth']['driver'] = 'application';
$conf['auth']['params']['app'] = 'imp';
/horde/config/hooks.php
return $_SESSION['imp']['user']."@mail.".$vdomain;
//return preg_replace('|\.|', '_', $_SESSION['imp']['user'] . '_' . $vdomain);
/horde/imp/config/conf.php
$conf['hooks']['vinfo'] = true;
/horde/imp/config/servers.php
$servers['imap'] = array(
    'name' => 'IMAP Server',
    'server' => 'mail.destination.ca',
    'protocol' => 'imap/notls',
    'port' => 143,
    'folders' => 'mail/',
    'namespace' => '',
    'maildomain' => 'mail.destination.ca',
    'smtphost' => 'mail.destination.ca',
    'realm' => '',
    'preferred' => '',
    'quota' => false);

PROBLEM DESCRIPTION :
computer 1 : 
BROWSER TESTED mozilla 1.2a/netscape 4.79/IE 6.026
RESULT : all work fine no problem at all

comptuer 2-3-4-5 ( 4 completely different computer in different physical location )
BROWSER TESTED mozilla 1.2a/netscape 4.79/IE 6.026 ( cache deleted,cookie deleted )
RESULT : unable to establish a connection
ERROR LOGUED :
nov 11 14:28:11 HORDE [notice] [imp] Login success for support@mail.destination.ca [207.253.105.150] to {mail.destination.ca:143} [on line 84 of "/mnt/sda5/www/horde2/imp/redirect.php"]
nov 11 14:28:12 HORDE [error] [imp] FAILED LOGIN 207.253.105.150 to mail.destination.ca:143[imap/notls] as support@mail.destination.ca [on line 164 of "/mnt/sda5/www/horde2/imp/lib/IMP.php"]

As you can see IMP do a login succes and after kick out the user.

Please what is the solution ?

I'm truly waiting for help on that one.

Regards,
Cedric