Did you publish your Exchangeserver using the secure mail server wizard? You need to open port 25 outgoing (smtp) for the exchange on the isa to send mails out. Hope this helps Gregor -----Original Message----- From: warren@xxxxxxxxx [mailto:warren@xxxxxxxxx] Sent: 30 September 2002 14:11 To: [ISAserver.org Discussion List] Subject: [isalist] ISA Server as mail relay http://www.ISAserver.org Hi, I have a Netscreen firewall in front of an ISA Server. The link between the netscreen and isa is a 192.168.x.y. My exchange server is behind the isa server on address 192.168.y.x. The netscreen is set to forward all smtp traffic to the exchange server. This setup worked on NT4 and Proxy V2. However with W2K and ISA the mail server cannot send or receive any mail. I have run the wizard to create the exchange/mail protocol rule but it still does not work. Any pointers would be appreciated Thanks ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Exchange Server Resource Site: http://www.msexchange.org/ Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: gregorstreng@xxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')