The Register has some
details
about MessageLabs. About $.66/user/month for spam scanning, about
$2.20/user/month for virus scanning. MessageLabs claims they have
over 500,000 users, so that gives a revenue estimate of at least a
million dollars a month. Not so bad, although I bet their operations
are expensive. I wonder how well their service really works? There's a
lot of value in centralizing this kind of filtering.
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