[horde] authentication sql

[Sebastian Arriada]

hello, i am new in this list, my name ist sebastian, i am from
Argentina.

i habe one question

i use horde-2.2-4, chora-1.2

sombedy use horde with sql authentication

i try to use but i can´t, because when i loggin, come back to the
initial page login

if i use (allow-guests = true) then i entry but i can`t write in the
Repository

my configuration of authentication ist

$conf['auth']['driver'] = 'sql';
$conf['auth']['params'] = array();

$conf['auth']['params']['phptype'] = 'pgsql';
$conf['auth']['params']['hostspec'] = 'localhost';
$conf['auth']['params']['protocol'] = 'tcp';
$conf['auth']['params']['username'] = 'horde';
$conf['auth']['params']['password'] = 'XXXXXX';
$conf['auth']['params']['database'] = 'horde';
$conf['auth']['params']['table'] = 'horde_users';
$conf['auth']['params']['username_field'] = 'user_uid';
$conf['auth']['params']['password_field'] = 'user_pass';

sorry for my english

thank you, Sebastian