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"Maximum delay time" setting for Mail Transfer Agent is not applied if the defined value is greater than 15 minutes
Symptoms
  • "Maximum delay time" setting (Security Gateway object - "Mail Transfer Agent" pane - "Advanced Settings..." button) is not applied if the defined value is greater than 15 minutes - mail is not sent.

  • Debug of IN.EMAILD.MTA daemon (per sk60387) shows:
    [emaild.mta PID ...]@HostName[Date Time] fwasync_mux_timeout: 28: timed out after 900000 miliseconds

Solution
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