please help me out WITH IMAP

i am trieng to develope a email soultion completely in php3 , iam trieng to do it by using imap. i recompiled the php and apache php ./configure --with-imap --with-apache=../apache_1.3.9 --with-oracle=/u01/app/oracle/product/8.0.5 apache ./configure --prefix=/www --activate-......... every thing went cleanly i could install all perfectly. when i do phpinfo(); i get all the details correctly Imap 4R1 AND Imap Support enabled Imap c-client Version: Imap 4.1 but when i write the following script <?php $a =imap_open("{192.168.0.11}INBOX","abcd","xyz",OP_READONLY ); echo $a; ?> i get the errot Warning: Couldn't open stream {192.168.0.11}INBOX in /www/htdocs/imap.php3 on line 3 what is the problem? do i need to start any thing in imap.or which is the correct way to write a imap script please reply as i am in deep trouble i have only 1 week to do this. please help me please. AMRITH KUMAR