Here's an excerpt from Daniel Dreymann, President & Co-Founder of Goodmail Systems, blog. Not going to bore you again with the simpler WHY points of DKIM adoption, but just a reminder to all that you need to make sure that ALL your classes of email (corporate, marketing, transactional) need to have email authintication like DKIM on them. Have you audited your mail streams lately?
Thanks to Goodmail for adding this important aspect of email into their product line.
Blog Post: CertifiedEmail: Now with DKIM
When we designed CertifiedEmail, a few years back, there was nosuitable standard for digitally signing an email message. Goodmailthus went and used standard components, e.g. RSA for the digital signature, and SHA-1 for hashing a digest, but we were forced to define our own process for combining these components into an authentication layer.
Over the past few years, an email authentication standard emerged: first in the form of DomainKeys, and later, its successor, DKIM.
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Press Release
-Dennis
Don't Just Send, Deliver!
Last 5 posts by Dennis Dayman
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Yea you are right that few years back no standard was there for digitally signing a mail.But with time its framed so well.And we can rely on its security.It really helps as standard is always much needed in technology