Applicable to:
- Plesk 11.x for Linux
- Plesk 12.0 for Linux
Symptoms
Postfix milter does not work properly. /var/log/maillog contains the following message:
CONFIG_TEXT: postfix/smtpd[3089]: warning: milter inet:127.0.0.1:12768: can't read SMFIC_RCPT reply packet header: Connection timed out
Cause
Incorrect milter protocol version.
Resolution
- Connect to the server via SSH.
-
Check '
milter_protocol' version:# postconf milter_protocol
milter_protocol = 2 -
Change '
milter_protocol' value to '6' and restart service:# postconf -e milter_protocol=6
# service postfix restart
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