Will Nordmeyer wrote: > > >>>>On Wed, 12 Jul 2006, Paul Dudley wrote: >>>> >>>> >>>> >>>>>If we decide to reject low grade spam messages rather than >>>>>quarantine them, is it possible to add text to the body of the >>>>>rejection message? >>>>> >>>>> >>>>Rejecting (bouncing) spam is utterly pointless, as 99% of it will >>>> >>>> >have > > >>>>forged sender information. You will either be sending your notice >>>> >>>> >to a > > >>>>nonexistent address, in which case you get yet more useless traffic >>>>back to your server in the form of a bounce of your bounce, or your >>>>notice will go to some innocent third party, possibly contributing >>>> >>>> >to > > >>>>an effective DDoS against their email account. >>>> >>>>-- >>>> >>>> >>I thought this was about having the MTA saying "555 we dont want that >> >> >spam" at the > > >>end of data phase ..... >>Whether it can be done at all, and whether the message can be >> >> >changed, depends on the MTA > > >>rather than SA >> >>Wolfgang Hamann >> >> >> >Since MOST (if not all, these days) SPAM comes from invalid/forged >addresses, doesn't that just bog down the email system with SPAM reject >bounces bouncing back to you reporting that the address you were >telling we rejected your SPAM is invalid? > >(I had a user who had a 3rd party program that he'd do that with - I >asked him to stop because when he'd do it, it'd bog down my email >with "invalid recipient" type emails since the person he >was "notifying" was an invalid address). > >
Thankfully there are fewer open relays each day, and hence if you reject the message as it's being sent, then the sender is the spammer, and he will know he is failing. With any luck, he might even remove you from the list of addresses that he will try to spam in the future. -Philip
