squirrelmail + attachment files not work

1] SuSE-9.3 with all YOU updates 2] $rpm -q squirrelmail squirrelmail-1.4.2-64.7 $rpm -V squirrelmail $ 3] fully configured, i can read and post messages, but when i try to attach files to msg i have error copying file, file was not attached. Anyone who uses squirrelmail and have a clue 'bout this bug - help. THx in advance.