WindowsServer 2003 has stopped taking connections from outside our

Discussion in 'Windows Server' started by Aaron Paulley, Oct 18, 2007.

  1. Hello. I'm in a bit of a bind that I cannot figure out.

    Around 12:30 today our Windows Server 2003 stopped receiving email (POP3)
    server. Internal mail worked fine, we could send emails around the office
    (most of the time), but all mail coming in from the outside stopped.

    Long story short, I have been able to determine that ALL connections from
    anywhere outside our own network are timing out or being refused, on all
    ports -- http, smtp, pop3, ftp, telnet, etc... All timeout or are refused.

    I changed NOTHING on the server. I wasn't even near the server when this
    started and hadn't even logged into it for several days.

    I cannot figure out why all incoming traffic is timing out. The server can
    see the internet fine -- I can surf the web with it, etc...

    Our DNS records are all correct; our MX records are all correct. They worked
    at 12:29, and at 12:30 they didn't. There is no discernible, logical reason
    for this to have happened.

    I'm getting sort of desperate because I've been here banging my head on the
    wall for 9 hours on this issue alone.

    Aaron Paulley, Oct 18, 2007
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  2. Robert L \(MS-MVP\), Oct 18, 2007
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  3. Thanks for the reply. The firewall is disabled (wasn't on when I inherited
    the server a few days ago as part of this job); still, no computer outside of
    our LAN can connect to the server.

    Computers on the LAN can connect fine.

    The domain name is

    Aaron Paulley, Oct 18, 2007
  4. Robert L \(MS-MVP\), Oct 18, 2007
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