Getting message " Warning: could not send message for past 4 hours" in maillog file

Solution Verified - Updated -

Issue

  • Warning messages are coming in maillog logs:

    Feb 20 17:57:04 test sm-msp-queue[10749]: s1KIC8Ld00359812: s1KMtTTs01074923: sender notify: Warning:  could not send message for
past 4 hours

  • Valid e-mails are working correctly.

Environment

  • Red Hat Enterprise Linux 5
  • Sendmail

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