Hello,
I have:
Centos 7.2.11
Plesk 12.0.8
postfix-2.10.1-6.el7.x86_64
spamassassin-3.4.0-2.el7.x86_64
I detect some messages aren't scanned by spam, I just receive
<code>
May 16 10:40:36 plesk135 spamc[8789]: connect to spamd on ::1 failed, retrying (#1 of 3): Connection...