On Wednesday, September 1, 2004, 2:08:29 PM, R. wrote: <snip/>
>>If the mail passes all these checks, Fluffy checks to see if you have >>had email from this server before. If it has not sent email within a set >>period (24 hours, or whatever time you choose to set), Fluffy defers the >>email for a while. The default is 15 minutes, but you can adjust this if >>you prefer. RSP> This part is nice -- but if it is so strict that it is knowingly killing RSP> some legitimate E-mail (by using a single criterion), I'm not sure how much RSP> benefit there would be from the deferral. >>Spammers don't try to send email a second time, but genuine mail senders >>always do. RSP> That's wrong. Today, *most* spammers do not try sending E-mail a second RSP> time. But some do, and in the recent past, most did. Just to add a note here. I have begun to see an increasing number of random duplication from zombies and other spam sources designed to bypass "graylisting". It seems that, as feared, spammers are simply programming the zombies (or their drivers) to transmit a given message several times for each address so that if the first is rejected it appears that the "server" has retried. I guess with so much stolen bandwidth at their disposal this kind of countermeasure is a "no brainer" for them. _M To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
