Assuming that you reject the E-mail before it is delivered, all you know is that an address "[EMAIL PROTECTED]" tried sending an E-mail to "[EMAIL PROTECTED]".
And if your firewall/entry gate is rejecting all email from a DSL network (by IP range) and that is where the email originated, would you have even received the from address to send in the summary of rejected spam?
This is a non sequitur. If you are blocking at the firewall/network ingress point, why would you reasonably expect to know about those blocks at a lower level in the chain? I don't block for mail abuse at the network level. Some people may. That's their choice and hopefully they will realize the intended and unintended consequences of doing so.
My original post on this was to try to give some additional information to prevent people reading the posts from taking an assumption that was repeated a couple times as fact. This is to help everyone make better decisions. If I'm evaluating doing email filtering and I see a few times that the intended recipient has no way of knowing of a rejected email, that may influence my decision. If I know that some systems have a way of getting "some information" to the intended recipient, I may be influenced in a different way. Really, that's all it was.
-- Chris Scott Host Orlando, Inc. http://www.hostorlando.com/
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