On Thu, Aug 14, 2014 at 7:27 PM, Timothy Murphy <gayleard at alice.it> wrote: > > That is not part of the task of postfix, which is what I was discussing. > In fact, it is very easy to say what I want to do with viruses and spam. > I want email to pass through clamd to catch viruses, > and I want email to pass through spamassassin to catch spam. > I'm happy to leave the definition of spam to spamassassin, > and leave Mr Bayes to do my thinking for me. > And therein lies the problem. Unfortunately spamassassin is not really the best way to stop spam. You need more. Spamassassin should just be a tool in the toolkit not the entire solution. It is CPU and bandwidth intensive. A large proportion of spam can and should be rejected, before the body of the email is received.