| The Problem - Volume |
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| Ø | So-called spam
now accounts for 25-50% |
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| of all email
traffic on the backbones, |
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| depending on
whom you believe. |
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| Ø | For some users,
it can be 50-90% of their |
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| mailbox. |
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| Ø | Efforts at the
source seem to have not |
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| been effective,
or the spammers are more |
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| effective at
working around them. |
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