The popularity and prevalence of DKIM in the fight against SPAM is growing such that as of August, 2014, 47% of the most popular domains in the USA are DKIM-enabled (reference); globally, that number is 38%. The trend is steadily upward and we expect DKIM use to be pervasive within a few more years.
DKIM, Domain Keys Identified Mail, is still a magic techno-jargon black box to most people. It’s “something” you gotta “add to DNS” to help stop SPAM or make your email “appear more legitimate”. Beyond that (and even what DNS actually is) … many people are stumbling to know what is going on.
Here are 7 misconceptions about DKIM that we have seen, and the explanations that can steer you back on track:
1. DKIM stops SPAM
Many folks believe that enabling DKIM for their domain and DKIM filtering for their inbound email will stop SPAM from reaching them. Certainly using DKIM filtering on your inbound email will cut down on SPAM and using DKIM for messages sent by you can help others verify your email is legitimate; however, it does not actually stop spam. In fact, it can make some SPAM look more legitimate.
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