RE: External clients & firewall not in a domain

  • From: "Thomas W Shinder" <tshinder@xxxxxxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 4 Sep 2003 14:44:08 -0500

Hi Varga,
What services do you want to access from the external Outlook client?
What version of Outlook are you using?
Thomas W Shinder <>  
ISA Server and Beyond:
Configuring ISA Server:


        -----Original Message-----
        From: Varga Pavol [mailto:pavol.varga@xxxxxxxxxxx] 
        Sent: Thursday, September 04, 2003 2:29 PM
        To: [ExchangeList]
        Subject: [exchangelist] External clients & firewall not in a

                Hi all, 
                please, how to configure firewall (which is not in
domain) and Exchange 2k Server (with internal IP) to allow external
client access to their mailboxes?

                I have already set: 
                Exchange 2k Server 
                - Active Directory\Users\Properties\Dial-in\Remote
Access Permission (Dial-in or VPN)\Allow access & No Callback

                ISA Server (firewall & proxy server, not in a domain) 
                - Access Policy: 
                        Mail wizard rule SMTP, SMTPs 
                        outgoing smtp, pop3, imap4 
                        ssh, imcp, dns 
                        + IP Packet filters VPN (PPTP, L2TP), DHCP, DNS,

                I was trying also to configure Outlook account with
external IP of firewall = Outlook could not logon. 
                Is VPN configuring both client and servers only way to
resolve it? And how? 

                Thank for any advice. 

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