On 2009-07-31, Chris Bennett <[email protected]> wrote: > So, normal spam - temp rejection, goes away. > Good email - temp rejection, keeps trying till successful and is > whitelisted. > Extra bad spam - temp rejection, keeps trying till successful and is > whitelisted. > > Please correct me if I am wrong. Good emails and extra bad spam have > equal chance of getting through?
You missed half of what greylisting is for - even if a spam-sender is doing normal retries rather than one-shot delivery attempts, mail from unknown senders is delayed long enough that it increases the chance a spam-sender is picked up by some other mechanism (spamtraps, blacklists etc).
