Anti-spam user authentication is 'worse than useless'

Monday, 10 October 2005, 12:13 PM EST

Claims that user authentication schemes will reduce spam are not just wrong but "wrongheaded", a security researcher warned on Friday.

User authentication schemes such as SPF (Sender Policy Framework) and Sender ID check if machines are allowed to send email from a claimed domain - a kind of caller line identification (more here on email authentication).

By John Leyden at The Register.

[ Read more ]




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