On Wed, 2008-03-26 at 17:49 +0100, Patrick wrote: > On Thu, 2008-03-27 at 00:58 +1030, Tim wrote: > [snip] > > > There's actually a way around it in a crunch...I've put a 5 minute > > > window. > > > > That's really not a solution. While your server may say, come back in > > 5, you don't have any control over how, when, or if, the sender will > > actually retry. > > Afaik greylisting uses an RFC compliant method. So if the sending > mailserver does not resend after a while then it is broken and should be > fixed. FWIW I have used greylisting for more than a year now and in all > that time I have only once seen a mailserver not resend. We regularly see Yahoo not resend for members of Yahoo Groups. My view is that I don't care, but of course you can always whitelist it. poc
