Re: [exim] greylisting

David Woodhouse wrote:
> On Wed, 2005-06-15 at 18:43 +0200, Steffen Heil wrote:
>
>>I don't want to take this into account, since I do greylisting at RCPT
>>time.
>
>
> But that presumably means you're doing greylisting unconditionally. It
> makes a lot more sense only to do it for mail which is actually
> considered suspicious for some reason.
>
> Otherwise you just end up delaying a lot of good mail for no reason.
>

But my impression is that one of the prime reasons for greylisting is to
avoid the high cost of virus and spamscanning. According to my logs,
greylisting stops a huge percentage of spam before the recipient check.
If mail is spam-scanned then greylisted, is it spam-scanned again when
it is resent?
Craig