Article ID: 126816, created on Sep 7, 2015, last review on Sep 7, 2015

Symptoms

Unable to send and receive emails following error can be found in /var/log/maillog:

Sep  7 13:00:40 server postfix/smtpd[1686]: warning: connect to Milter service inet:127.0.0.1:12768: Connection refused
Sep  7 13:00:40 server postfix/smtpd[1686]: NOQUEUE: milter-reject: CONNECT from unknown[194.30.130.251]: 451 4.7.1 Service unavailable - try again later; proto=SMTP

Cause

pc-remote is stopped.

Resolution

Start pc-remote service:

# service pc-remote start

Search Words

connect to Milter service inet:127.0.0.1:12768: Connection refused

451 4.7.1 Service unavailable - try again later

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