Postfix is not able to deliver messages to mailbox because limit of the mailbox size.
/var/log/maillog show the following message:
Sep 26 03:05:01 server01 postfix/local: B4AB540876: to=<email@example.com>, orig_to=<root>, relay=local, delay=0.18, delays=0.08/0.03/0/0.07, dsn=5.2.2, status=bounced (cannot update mailbox /var/mail/root for user root. error writing message: File too large)
- Red Hat Enterprise Linux 6
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