Mails not being delivered because error "File too large"

Solution Verified - Updated -


  • 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[56145]: A1B2AB123456: to=<>, 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 (RHEL) 8
  • Red Hat Enterprise Linux (RHEL) 7
  • Red Hat Enterprise Linux (RHEL) 6

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