Enterprise IT Planet: Spam Cleaning with the Big Boys

“You think you’ve got spam problems with a hundred or so spam
messages a day? Try being an ISP or a business where on a good day
you don’t get more than a one hundred thousand spam mails a
day.

“You can’t believe it’s that much. Think again. How bad is it?
Ferris Research, a San Francisco- and London-based email and
groupware analysis firm, says that 30% of inbound email is spam at
ISPs, while at companies, spam accounts for 15% to 20% of inbound
email. ‘In 2002,’ Ferris says, ‘the total cost of spam to corporate
organizations in the United States was $8.9 billion.’

“Since that Ferris study, things have only gotten worse.
According to ISP and business mail administrators I’ve spoken with,
ISP inbound mail is now up to 50% junk mail, while corporations
e-mail servers are up to a rather horrifying 30%. In addition, it’s
only going to get worse, the Coalition against Unsolicited Bulk
Email, Australia, estimates that spam’s volume is doubling every
4.5 months…”

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