On Mar 27, 2015, at 1:38 PM, sha...@shanew.net wrote: > Apologies if this is an overly obvious answer, but are you using any > greylisting? This would (potentially) move your user away from the > "wavefront" of a spam's distribution, and give it a better chance of > triggering the network-based tests.
No, unfortunately not. It's something I've been considering but with my current system setup I don't know of an easy way to implement it. Unfortunately the system setup is fixed due to the virtual hosting software being run on it. There is a possibility this can change in the future, depending on our client setup, but right now we're stuck with it, so I can't do things like use amavisd or dovecot or whatever. If I can easily implement greylisting from within sendmail without breaking the current setup, that's certainly something I'd consider doing... Of course, I am aware of the debate regarding greylisting. In particular, this can cause significant problems for "one-time password" emails, e.g. from banks, where a significant delay in delivery causes huge problems. I'm not sure how to work around that. Thanks. --- Amir
