Postfix fails to deliver messages with error "Read-only file system"

Solution In Progress - Updated -

Issue

Postfix fails to deliver messages with error "Read-only file system" at specific time. (In the following example, it happens at 00:00.)

  • /var/log/maillog
Jul 24 00:00:04 host01 postfix/local[11300]: 12345AB67C: to=<test01@example.com>, orig_to=<testsender@example, relay=local, delay=0.06, delays=0.03/0/0/0.02, dsn=5.2.0, status=bounced (maildir delivery failed: create maildir file /home/test01/Maildir/tmp/1234567990.P11300.host01.example.com: Read-only file system)

Environment

  • Red Hat Enterprise Linux
    • 6
  • Postfix 2.6.6

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