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Exchange 2010 No inbound or Ourbound all of a sudden.

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  • Exchange 2010 No inbound or Ourbound all of a sudden.

    Hello, I have a simple Exhange 2010 server that just stopped working. Here are the details.

    Comcast network so every once in a while my IP changes, normally I go into my ISP dns and update the record and my mail starts working again but for some reason not this time.

    My internal mail works fine. When I send from yahoo mail I get 4.4.7 returned mail errors.

    When sending From an exchange account I get Delivery Delayed errors.


    I went to websitepulse.com and did an email validity test and got a "connection timed out" message.


    No significant errors that I can find in the event logs all seems to be working fine but no in/out exterfnal mail......any Ideas on where to look next??
    Any Ideas on where I should look next?

  • #2
    Re: Exchange 2010 No inbound or Ourbound all of a sudden.

    from outside ther network, can you telnet to port 25 on your public IP Address ?
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