[SM-USERS] Error Message

[Doug A. <dap...@av...>]

Everything else is working except when the user exceeds their quota SM
is giving this message .. 

Cannot modify header information - headers already sent by (output
started at /Public/Web/squirrelmail-1.4.6/functions/page_header.php:32)
in /Public/Web/squirrelmail-1.4.6/src/compose.php on line 445