Roux Joubert wrote:
True, but one typically does not have nearly as many users over their quota than email addresses that don't exist (which are infinitely many). Besides, Spamcop typically would not be able to test that - they have to be very lucky to (1) find a mailbox that exist and (2) at the same time find one that's full.
Spamcop is not testing your mail addresses. They have spam traps (mail adresses which never have used for mail) which should not recieved mails. This traps recievd bounces from you server. When now a spammer send mails to a couple of your users with a forged address, bounces will go out and when murphy want to a spamcop address.
Andre
