March 19th, 2009
For those of you who don’t know, DKIM is a form of email authentication. Authentication is a way of proving your email is “authentic” and not a scam (like the kind of email scams that claim to be from your bank, or from PayPal).
High volume email senders (and ESPs) have speculated for the last few years about whether or not major ISPs will begin blocking emails that are not authenticated, and whether or not authentication will help you get your emails past spam filters and into the inbox.
For now, the official word from ISPs is “NO”… read on
“DKIM is the yahoo domain keys registration”