On Fri, 8 Aug 2008 11:20:54 -0400 rick pim <[EMAIL PROTECTED]> wrote:
>David F. Skoll writes: > > [EMAIL PROTECTED] wrote: > >i'm far from an expert but at some level i believe that you're both >right. the real question boils down (i think) to "who is trying to >deliver this piece of unwanted email?" > >if it's a Real MTA, then kicking back a 550 will -- probably -- have >the MTA trying to return the message to the "sender". there will >probably be backscatter. > >if it's NOT a real MTA -- if it's a spam proxy or a virus trying to >send the message -- then kicking back a 550 will -- probably -- have >the message dropped on the floor. there will probably not be >backscatter. > >so i think you're both right, more or less. Employing 'greylisting' would vastly improve the chances of eliminating the acceptance of SPAM at the MTA level. -- Gerard [EMAIL PROTECTED] The tree of research must from time to time be refreshed with the blood of bean counters. Alan Kay
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