HowTo :: update DirectAdmin License manually
servertune.com/kbase/entry/175/
: 1 | da - directadminDirectAdmin To convert to dovecot
directadmin.com/features.php?id=590
: 1 | da - dovecot - directadminPHP 4 to PHP 5 Upgrade - DirectAdmin Forums
directadmin.com/forum/showthread.php?threadid=5663
: 1 | php - da - directadmin