Galera, to testando o egroupware e estou com o seguinte erro qdo tento consultar o Imap. Alguém tem alguma sugestão ?

Warning: imap_open(): Couldn't open stream {10.10.0.10:143}INBOX in /vol/www/html/whinston/egroupware/email/inc/class.mail_dcom_imap.inc.php on line 214

Warning: imap_open(): Couldn't open stream {10.10.0.10:143/imap/notls}INBOX in /vol/www/html/whinston/egroupware/email/inc/class.mail_dcom_imap.inc.php on line 214