Re: Problem accessing Exchange Server remotely using Outlook

  • From: "Chip Liu" <chip.liu@xxxxxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 14 Aug 2003 14:32:11 -0500

Did it start recently, say around this past Monday after the MSBLAST.EXE
virus?

        -----Original Message-----
        From: David Liles [mailto:dave@xxxxxxxxxxxxxxxxxxx] 
        Sent: Thursday, August 14, 2003 2:26 PM
        To: [ExchangeList]
        Subject: RE: [exchangelist] Re: Problem accessing Exchange
Server remotely using Outlook
        
        
        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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