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  • SMTP Connectivity with Exchange 2000

    Hi ,

    We are using exchange 2000 , Our Setup is like this ...

    O.S - SBS 2000 , Exchange 2000

    2 -Ethernet Cards,

    1- Local Ethernet

    192.168.x.x
    255.255.255.0

    G.W --

    DNS - 192.168.x.x

    x.x.x.x ( ISP's Primary DNS)
    x.x.x.x ( ISP's Seconday DNS )


    2. Internet

    IP - Live IP
    G.W , DNS Given By ISP ....

    Now in our setup earlier we are having two server , exchange server 2000 is forwarding message to our another server ( Located Remotely ) with SMTP Connector .

    Now we stop our remote server so i change the settings in my exchange in SMTP connector ..

    1. Exchange -- > Connectors -- > SMTP Connectors --> Properties --> Use DNS to route each address space on this connector ..

    2. DNS Console --> Forward lookup Zone --> Create MX Record .

    Now my server is able to forward the message with help of DNS record configure ..but when i am checking my Queue its always having 2 -3 messages inside and i need to send it forcefully ..

    Why this is happening ??? And when i am sending the message to any yahooo id its always reach to Bulk box why it is ???

    Is there any wrong settings done by me ??? Please guide me ...

    Thanks in advance ...

    Peter

  • #2
    Re: SMTP Connectivity with Exchange 2000

    If you are sending the messages directly instead of via a smart host then have you checked that your DNS for that server is configured correctly?
    You need to ensure that there is a reverse DNS entry on your IP address which should resolve correctly, preferably matching your MX record and how the server announces itself.

    http://www.amset.info/exchange/dnsconfig.asp

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
    More Exchange Content: http://exchange.sembee.info/
    Exchange Resources List: http://exbpa.com/
    In the UK? Hire me: http://www.sembee.co.uk/

    Sembee is a registered trademark, used here with permission.

    Comment


    • #3
      Re: SMTP Connectivity with Exchange 2000

      Hi ,

      Thanks ..your article helps a lot...but i want to ask is ...my SBS server is having 2 IP Address ..1 is local 2 is live ....now my real domain is hosted at USA ....now i want to use my local server as a SMTP server ...for sending the mail directly ..and for incoming i am using the different one ...so how can i configure in this case ...

      As at present its like this ...

      1. I have created one MX record in forward look up zome .

      2. Use DNS to route each address space on this connector ..this option is ticked ...

      So is this a correct settings i have done ??

      May i need to create Reverse lookup record for my local Live IP ??

      When i create the new PTR record it is not allowing me to create it as my DNS is configured for the local IP Database ( 192.168.x.x ) so it will create the reverse PTR record for x.x.168.192 only ..so how can i create for my live ip ??

      Why my SMTP is queue is always 2 - 3 mails inside it ...even after forcefully sending it ..its not remove from queue ..specifically for yahoo mails...

      Please help me .....


      Peter

      Comment


      • #4
        Re: SMTP Connectivity with Exchange 2000

        It sounds like you have been creating DNS information on the server itself?
        If that is the case then you have been doing it in the wrong place. You need to make DNS changes with whoever looks after your domain name.

        As for reverse DNS records, as my article states, this has to be changed by your ISP. Making reverse DNS records on the local server for 192.168.x.x is pointless as the internet does not use that information.

        If you continue to have email delivery problems then you may have to look at sending email through your ISPs SMTP server - what Microsoft call a smart host. This can be configured by re-running the connect to the internet and email wizard.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

        Comment


        • #5
          Re: SMTP Connectivity with Exchange 2000

          Hi ,

          Thanks for your great help simon !!! ..so in my case at present my server is acting as a spam server ..as there is no reverese DNS records...so that's why its taking time to send a mails on yahoo as well always mail reach to the bulk folder only ....

          Actually my real requirement is ..

          I want to use SMTP of my local Exchange , and POP of my live server which is located at USA .


          At present scenario is like this ...

          1 . My live domain ..( Xyz.com ) is hosted at USA . With Different Live IP and DNS.

          2. My Exchange ( abc.xyz.com ) is located at India . With differect Live IP , and no reverse DNS lookup . and sending mails via using DNS of my ISP .

          3. For Incoming mails i am using mail fetching tool which fetch mails from my Live server located at USA .

          So i think my server is doing spaming , which is not leagal ...so now i need to ask my ISP in india , to create the Revese DNS record for my Exchange live ip at their end ...then my server will legally send mails and also it will not considering as a spam by any of the server ...

          Am i correct ??????...


          Please Help ......


          Peter .

          Comment


          • #6
            Re: SMTP Connectivity with Exchange 2000

            Hi ,

            Can anyone please help me in this ......

            Peter.

            Comment


            • #7
              Re: SMTP Connectivity with Exchange 2000

              Trying to mix and match Exchange with another service is going to cause you problems. Either use Exchange for ALL email, or an external service and remove your Exchange server. Trying to use both will just end in tears.

              If your DNS is not configured correctly then your messages will get flagged as spam. Everything has to be correct and resolve correctly - so reverse and forward DNS and how the server announces itself.

              Simon.
              --
              Simon Butler
              Exchange MVP

              Blog: http://blog.sembee.co.uk/
              More Exchange Content: http://exchange.sembee.info/
              Exchange Resources List: http://exbpa.com/
              In the UK? Hire me: http://www.sembee.co.uk/

              Sembee is a registered trademark, used here with permission.

              Comment

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