MX domain records problem RRS feed

  • Question

  • Hi,

    I've recently bought windows server 2003 and I need to setup some MX records with my domain name provider (1and1).

    Im having a few issues and this is my understanding of how it works, my IP is xx.xx.xx.xx lets say and my domain e.g.

    I've made sure port forwarding on my router is setup (port 25) and this is what i've done so far:

    Have a static IP of xx.xx.xx.xx -> Made a domain doing a redirect to the servers IP (xx.xx.xx.xx) -> changed the MX records of to

    It just doesnt seem to want to connect when I try it "client" side, it says "Cannot connect to your POP3/SMTP e-mail server.

    I have checked on Email Server Test ( and this is the result ...........

    Session Transcript:
    250 xxxx-server Hello [xx.xx.xx.xx [141 ms]
    MAIL FROM: <>
    250 2.1.0 [141 ms]
    RCPT TO: <>
    550 5.7.1 Unable to relay for test@mxtoolbox.c [172 ms]
    221 2.0.0 xxx-server Service closing transmission chann [125 ms]

    Rev DNS Check: OK - resolves to

    Note: If I put the IP in e.g. (the local IP) then it can connect fine, however it will not send mail and gives a message of

    '' on 11/01/2009 00:43

                550 5.7.1 Unable to relay for

    this happens will all emails not just

    Sunday, January 11, 2009 12:23 AM