On 08/25/2014 03:52 PM, Timothy Murphy wrote: > I'm trying to clarify the various ways in which I could set up > Postfix + Dovecot + SpamAssassin under CentOS-7, > and I'd welcome any comments on the following remarks. > > As far as I can see there are 3 standard ways of setting this up: > 1. Use amavisd > 2. Use dovecot + pigeonhole/sieve > 3. Use spamass-milter > > I'm not quite sure if (3) is a genuine alternative, > or if it is why it is not the standard since it seems very simple? > I'm on CentOS 6 (well, actually Amazon AMI which is sort of somewhere in between CentOS 6 and CentOS 7) and I find (3) to be the easiest option: 1) From EPEL, install "spamass-milter" and "spamass-milter-postfix" RPMs 2) Modify /etc/sysconfig/spamass-milter to uncomment "EXTRA_FLAGS" and adjust spam threshold to your liking 3) Add following line to /etc/postfix/main.cf: smtpd_milters = unix:/var/run/spamass-milter/postfix/sock 4) Make sure spamass-milter, postfix, etc. are running and set to start at boot, using chkconfig, service, and/or systemctl as appropriate. -Greg