Yes, if you use Exchange 2003 and Outlook 2003, you can use RPC/HTTP(s) functionality. Otherwise, you'll have to use the other protocols such as HTTP, IMAP, or POP. Al -----Original Message----- From: Lloyd Williams [mailto:Williams@xxxxxxxxxxxxxxxxxxxxxxx] Sent: Wednesday, September 10, 2003 1:22 PM To: [ExchangeList] Subject: [exchangelist] Outlook - Exchange Connection Without Port 135 http://www.MSExchange.org/ Our college has closed port 135 for communication between all subnets. Is there any way for Outlook to communicate with Exchange if Port 135 is totally blocked? Lloyd ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------