New IronPort Study on Authentication

Last week at the Email Authentication Summit, IronPort presented the results of a study on adoption of Sender ID and DomainKeys. Among the highlights:

  • 35% of all Internet email is now authenticated using SIDF
  • 9% of all Internet email is now using DKIM
  • 75% of all Fortune 100 companies use SIDF for marketing related email, 45% use DKIM
  • Adoption of DKIM has increased from an negligible value in just 9 months
  • 9 of the top 10 most phished domains use SIDF, 5 out of 10 use DKIM
  • The study, Email Authentication: Sender ID Framework (SIDF) and DomainKeys Identified Mail (DKIM) Scorecard, was written by IronPort analysts after examining global email traffic patterns using IronPort’s SenderBase traffic monitoring network. The full text will be available soon on the IronPort site; in the meantime, additional details are in the press release.

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