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Error 503 only with some domain

Discussion in 'E-mail Discussion' started by CRST, Mar 22, 2017.

  1. CRST

    CRST Registered

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    Hello, i have installed cpanel and only with some domain ( with other panel work only cpanel give me this problem ) i get this error


    This message was created automatically by mail delivery software.

    A message that you sent could not be delivered to one or more of its
    recipients. This is a permanent error. The following address(es) failed:

    email@domain.tld
    host domain.tld [1.2.3.4]
    SMTP error from remote mail server after HELO cpanel.MYDOMAIN.CO:
    503 5.7.0 Error: access denied for unknown[MY.SERVER.IP.]

    Record MX and PTR are working fine.

    How can i fix this? Thanks
     
    #1 CRST, Mar 22, 2017
    Last edited by a moderator: Mar 22, 2017
  2. Infopro

    Infopro cPanel Sr. Product Evangelist
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    Twitter:
    I came across this thread on stack exchange which actually has the same server IP address mentioned:
    serverfault.com/questions/748264/spf-check-failed
     
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  3. CRST

    CRST Registered

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    I have fixed.. thank you
     
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