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  • i cant recive email from external mail

    please help me ,

    i have exchange 2003 , i cant recive mails from external to my domain
    wehn i try to make telnet from wan or internal lan

    telnet mail.pal-cec.org 25

    it return ok but

    telnet mail.pal-cec.org 110

    i get nothing

    and when i try to make mail on out look in wan i configure mail smtp and pop3 then when i send and recive i get this message :

    receiving reported error (0x800ccc0f) the connection to the server was interrupted
    samer Sulaiman

  • #2
    Re: i cant recive email from external mail

    SMTP uses port 25
    POP3 uses port 110

    If you want your exchange server to recieve Mail from the outside, you have to ensure that your server is accessable from the internet on port 25, and that your mx record points to the correct server.

    I'm not saying that your MX records should have the ip of your server, because you could be using a smart host. In this case the MX record points to your smarthost, and the smarthost forwards SMTP traffic to your Exchange server.

    Troubleshoot SMTP:
    So what could you check....
    1) You told us, your server is listening port 25, and is accessable from the WAN.
    So the first check is possitive.
    2)Check the MX record of your domain. Does it point to the correct server/Smarthost?

    TroubleShoot POP3
    If you want to pop your mailboxes you have to enable the pop3 virtual server on your exchange server.

    Perhaps you should read this
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    • #3
      Re: i cant recive email from external mail

      thanx alot ,

      but if you please tell me how to Check the MX record of your domain.

      and note that in exchange system management on smtp virtualserver in dilevary its on fully qualified name
      samer Sulaiman

      Comment


      • #4
        Re: i cant recive email from external mail

        How to check your mx record
        Use nslookup
        Go to start-run and type cmd
        than type nslookup
        (It will connect to your default dns server)
        Than type Set q=MX
        Than type your dns domain name
        Now it shows the mx record for your dns domain name.
        example
        Mailhost.whatever.com Internet address = 144.14.17.12
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        • #5
          Re: i cant recive email from external mail

          i do that ,
          and i have ... see the attachement , now there is reply from internet when i telnet mail.pal-cec.org 110

          but i still cant recive mails
          samer Sulaiman

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          • #6
            Re: i cant recive email from external mail

            when i try to send mail from external mail i get this :

            The Postfix program

            <[email protected]>: host mail.pal-cec.org[212.106.75.242] said: 550 5.7.1
            Unable to relay for [email protected] (in reply to RCPT TO command)
            samer Sulaiman

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            • #7
              Re: i cant recive email from external mail

              Your second replay says that the host did not accept your e-mail adress (the one you are sending to). This can have all sorts of reasons. More information about you mail configuration would be helpfull.

              When i do a nslookup to your mx record i get 4 hosts records.
              I cant test them at current location, because port 25 is blocked.
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              • #8
                Re: i cant recive email from external mail

                i have domail and exchange 2003 server and firewall isa 2004 server , and every thing seems fine but now i cant recive mail , i dont think it's firewall side cause i cant telnet befor from my lan to port 110 but now i can telnet to port 110 , still cant recve mail and when some body try to send he find mail as i send it to u pefor , and all services start i try restart mail server the same problem . ???
                samer Sulaiman

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                • #9
                  Re: i cant recive email from external mail

                  Originally posted by ssulaiman View Post
                  i have domail and exchange 2003 server and firewall isa 2004 server , and every thing seems fine but now i cant recive mail , i dont think it's firewall side cause i cant telnet befor from my lan to port 110 but now i can telnet to port 110 , still cant recve mail and when some body try to send he find mail as i send it to u pefor , and all services start i try restart mail server the same problem . ???
                  Port 110 is POP3, this is used if you use an pop3 client to access your mail server.
                  Your mailserver itself does not recieve mail on port 110. Your mailserver uses smtp to send and recieve its mail. And smtp uses port 25.

                  So if you want mail to get to your server you have to open port 25 to your mail server.
                  oké a test.
                  do the following:
                  Go start-run, type cmd
                  Than type "telnet maila.pal-cec.org 25" press enter
                  Normaly the server responds
                  Than type"helo pal-cec.org" press enter
                  Server responds
                  Than type "mail from:[email protected]" press enter
                  Server responds
                  Than type "RCPT to:[email protected]" press enter
                  Now the server will probably respond:
                  550 5.7.1 Unable to relay for [email protected]
                  Which probably means that the server does not have a mailbox with the alias of [email protected].
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                  • #10
                    Re: i cant recive email from external mail

                    thanks for helping me ...

                    so now what i must do , what do you thing casual

                    thanks again
                    samer Sulaiman

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                    • #11
                      Re: i cant recive email from external mail

                      you need to identify the servers behind your mx records.
                      pal-cec.org MX preference = 5, mail exchanger = maila.pal-cec.org
                      pal-cec.org MX preference = 6, mail exchanger = mailb.pal-cec.org
                      pal-cec.org MX preference = 4, mail exchanger = mail.pal-cec.org
                      pal-cec.org MX preference = 7, mail exchanger = webmail.pal-cec.org

                      I ran an smtp test, and mail.pal-cec.org accepts mail for [email protected].
                      Did you recieve an mail from me?

                      The server to which the mx records point, are they managed by you, or by your ISP?
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                      • #12
                        Re: i cant recive email from external mail

                        thanks alot the case solved , but i wana favour from u if u can plz send me mail
                        samer Sulaiman

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