MYSQL error => Postfix Client host rejected: Server configuration error

Discussion in 'Server Operation' started by Ovidiu, Feb 24, 2016.

  1. Ovidiu

    Ovidiu Active Member

    A client is trying to send an email and sometimes gets this error. I think I have tracked it down to a MYSQL error.
    Any idea how to fix this and/or confirm the problem?
    Any more info I can provide?
    Code:
    Feb 24 14:10:36 alfred postfix/smtpd[3814]: warning: hostname 105-229-109-235.south.dsl.telkomsa.net does not resolve to address 105.229.109.235
    Feb 24 14:10:36 alfred postfix/smtpd[3814]: connect from unknown[105.229.109.235]
    Feb 24 14:10:38 alfred postfix/smtpd[3814]: warning: mysql query failed: Lost connection to MySQL server during query
    Feb 24 14:10:38 alfred postfix/smtpd[3814]: warning: mysql:/etc/postfix/mysql-virtual_client.cf: table lookup problem
    Feb 24 14:10:38 alfred postfix/smtpd[3814]: NOQUEUE: reject: RCPT from unknown[105.229.109.235]: 451 4.3.5 <unknown[105.229.109.235]>: Client host rejected: Server configuration error; from=<sender@sa-tax.co.za> to=<external_recipient@bodytec.co.za> proto=ESMTP helo=<WS01>
    Feb 24 14:10:38 alfred postfix/smtpd[3814]: warning: mysql:/etc/postfix/mysql-virtual_client.cf: table lookup problem
    Feb 24 14:10:38 alfred postfix/smtpd[3814]: NOQUEUE: reject: RCPT from unknown[105.229.109.235]: 451 4.3.5 <unknown[105.229.109.235]>: Client host rejected: Server configuration error; from=<sender@sa-tax.co.za> to=<internal_recipient@sa-tax.co.za> proto=ESMTP helo=<WS01>
    Feb 24 14:10:41 alfred postfix/smtpd[3814]: disconnect from unknown[105.229.109.235]
    
    ]
    P.S. hostname 105-229-109-235.south.dsl.telkomsa.net is my client trying to send the email from their broadband ADSL line.
     
  2. sjau

    sjau Local Meanie Moderator

    Code:
    Feb 24 14:10:38 alfred postfix/smtpd[3814]: warning: mysql query failed: Lost connection to MySQL server during query
    
    Hmmm, something seems off with mysql server.
     

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