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Thread: 502 502 5.5.2 Error: command not recognized (state 9)

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  1. #1
    Join Date
    Jan 2010
    Rep Power

    Smile 502 502 5.5.2 Error: command not recognized (state 9)

    Dear Frnds,

    I am getting this error while sending mail to my local domain and other domain also receive the same error msg when they send mail to our domain.

    Technical details of permanent failure:
    Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 502 502 5.5.2 Error: command not recognized (state 9).

    I have checked my dns configuration and also check through telnet from outer domain, its working fine.
    Please help...!!!

    Thanks and Regards

  2. #2
    Join Date
    Oct 2011
    Rep Power


    I think you need to configure split dns for local mail routing.
    Zimbra wiki has one good article to configure split dns.

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