Percentage is about right
Our office uses Messaging Architects GwGuardian for GroupWise and for 2007 total received email was 8,105,000 and of that 7,273,000 was rejected as spam. That's about 90% rejection and in the remainder there is still some spam that gets through, although it is a trivial amount. I'm not sure I am seeing an increase in the amount of spam compared to the previous year where it seemed we were receiving over a million emails a month. Spam is a really big problem and I pity the IT department that isn't using some type of filtering before it reaches their email servers.
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