You don't need IMAP & IMAPTLS ports open for OWA. Regards, Raj -----Original Message----- From: Jen [mailto:jmar@xxxxxxxxxxxxxxx] Sent: Friday, January 16, 2004 1:49 PM To: [ExchangeList] Subject: [exchangelist] OWA Ports http://www.MSExchange.org/ hi, we are thinking of implementing OWA, from what i have seen ports 80, 443, 143 993 need to be open. i have ports 80 and 443 open. do i need to open IMAP4 & IMAPTLS? if so why? ------------------------------------------------------ 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 ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------