Re: Problem accessing Exchange Server remotely using Outlook

  • From: "David Liles" <dave@xxxxxxxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 14 Aug 2003 14:25:39 -0500

We also started experiencing a similar issue.... from OWA users can access 
email... internally they can access email.... externally they get an error 
indicating the Exchange server is not available....

        -----Original Message----- 
        From: Craig Weil [mailto:craig_weil@xxxxxxxxxxx] 
        Sent: Thu 8/14/2003 2:21 PM 
        To: [ExchangeList] 
        Cc: 
        Subject: [exchangelist] Re: Problem accessing Exchange Server remotely 
using Outlook
        
        

        http://www.MSExchange.org/
        
        Having an odd issue with that myself.
        
        We have DSL service with multiple IP addresses assigned to it.  One IP
        address is assigned to our Exchange 2000 server, one of the IP 
addresses is
        assigned to a Netopia router which then provides NAT addressing to our 
users
        in the building. With that said, any computer that is either receving a 
NAT
        address from the Netopia or any computer with a routable IP in the same
        subnet as the Exchange server can retrieve email from Exchange 2000 
with no
        problem.  However, any computer outside our building cannot connect to 
our
        Exchange server via IMAP, but can via OWA.  DNS queries against Exchange
        from outside the building work fine.  Any ideas?  It's almost as if our 
DSL
        modem suddenly decided to start filtering, but it's a standard 
SpeedStream
        modem provided by SBC (PacBell).
        
        An interesting twist... from outside of our building, if you establish 
a VPN
        connection with our Netopia router, you can access Exchange via Outlook
        (IMAP).  All machines connecting via POP3 from outside our building 
receive
        their email as well (vpn or not).  Kinda getting me nutty!
        
        Thanks all!
        
        Craig A. Weil
        
        
        ----- Original Message -----
        From: "Chip Liu" <chip.liu@xxxxxxxxxxxxxxxx>
        To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
        Sent: Thursday, August 14, 2003 11:58 AM
        Subject: [exchangelist] Problem accessing Exchange Server remotely using
        Outlook
        
        
        http://www.MSExchange.org/
        
        Has anyone experienced the problem with accessing Exchange Server 2000
        through the Internet using Outlook?  Thanks in advance for the
        information and a solution.
        
        Chip
        
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