Incoming mails are being rejected: Sender address rejected: Policy rejection; Message count quota exceeded

Created:

2017-02-21 17:17:13 UTC

Modified:

2017-08-16 15:59:55 UTC

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Incoming mails are being rejected: Sender address rejected: Policy rejection; Message count quota exceeded

Applicable to:

  • Plesk Onyx for Linux

Symptoms

All incoming emails are being rejected.

/var/log/maillog contains the following:


cbpolicyd[91836]: module=Quotas, action=reject, helo=domain.tld from=test@domain.tld, to=test@example.com, reason=quota_match, policy=1, quota=4, limit=5, track=SASLUsername:, counter=MessageCount, quota=301.47/300 (100.5%)
554 5.7.1 <test@example.com>: Sender address rejected: Policy rejection; Message count quota exceeded;

Postfix /etc/postfix/main.cf contains additional, non-Plesk smtpd_milters or smtpd_sender_restrictions:

smtpd_milters = , inet:127.0.0.1:12768 inet:127.0.0.1:12345
smtpd_sender_restrictions = check_policy_service inet:127.0.0.1:10031

Cause

Cluebringer policy daemon was not properly configured Postfix /etc/postfix/main.cf contains additional, non-Plesk smtpd_milters

Resolution

Remove from /etc/postfix/main.cf non-Plesk milter or restriction and restart postfix:


~# service postfix restart
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