postfix/smtpd[5347]: warning: 10.64.217.190: address not listed for hostname ykinoshi.sales.example.com

Solution Verified - Updated -

Issue

  • What does the following log mean in maillog?
postfix/smtpd[5347]: warning: 10.64.217.190: address not listed for hostname ykinoshi.sales.example.com

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5
  • postfix

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