Message authentication the next round in spam fight

Email filters have become effective at preserving our in-boxes, creating the illusion that spam has been tamed. But the bulk of spam is growing. MessageLabs said about 70 per cent of all email traffic as of this week, and 66 per cent this year, was bogus.

Although junk- and malware-laden messages have been pushed out of sight for many computer users, they are not out of mind for those minding email delivery systems, who say tackling the growing problem demands an answer to the simple question: Who's emailing?

That's what Microsoft and Sendmail say must be answered if businesses are to save email from having its "killer app" status redesignated.

Email authentication systems such as Microsoft's Sender ID systems, modelled after Caller ID for telephones, and Sendmail's plans for trusted messaging are not new, but the companies are kick-starting their efforts.

This week, Microsoft added its specification to a list of free and open specifications for developers, and on Wednesda...

ยป Computerworld Singapore - Mike Barton - 27-10-2006

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