On Samstag, 24. September 2005 17:48 Herb Martin wrote:
> But again, since almost no legitimate email is ever
> greylisted only almost nothing DESIRABLE EVER gets
> delayed.  

That depends on your setup. Here, we basically use:
- checks on HELO, SPF, RBL, etc -> 550 reject
- checks on SA -> accept but mark as SPAM
- greylisting for all that came until here

So every mail gets greylisted the first time for a triple. The simplest 
solution for starting with greylisting is to let it run for 2 months in 
"dry mode", learning all triplets (ip,mail from/to) by using postfix's 
"warn_if_reject", and then remove that "warn_if_reject". As most legit 
e-mails (at least the most important ones) should have been sent within 
that 2 months, there's no delay for most "normal" e-mail.

But as for Rob's way of doing things: Again this involves manual 
whitelists. It would be nice if there were automated things, as manual 
stuff tends to be error prone, outdated and not updated :-(

mfg zmi
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