problem in qmail afte adding domain and email accounts explorer next window blank
 

I install qmail server from source according to document on qmailrocks.org but when i add domain and email account and after press the button create the next window in explorer is blank so I use do the following thing:

add AuthMySQLEnable off

AuthMySQLEnable off
AuthType Basic
AuthUserFile /etc/httpd/.htpasswd
AuthName vQadmin
require valid-user
satisfy any

but the error in http error logs is

/.htaccess: Invalid command 'AuthMySQLEnable', perhaps mis-spelled or defined by a module not included in the server configuration

vmysql: error creating table 'dir_control': MySQL server has gone away, referer: http://mytrek.com/cgi-bin/vqadmin/vq...dd_domain.html

i am using redhat enterprise 4
regards
kashif

AuthMySQLEnable is available only if you have installed mod_auth_mysql for apache.
Since apache complains, it means that the module is not installed. You can either install it, or comment out the line "AuthMySQLEnable off", so you can use the .htpasswd