Challenge Response Spam Filters Explained
simply don’t have the time to do this and are therefore blocked from sending you any future junk email.
Using a challenge response system initially can be extra work but after 30 days you’ll see a dramatic reduction in the amount of email you receive from spammers. Our challenge response system is currently showing 11,000 blocked pieces of spam in the last *5 months*. Those are hard figures to argue with.
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