authentication dkim gmail Gmail now requiring SPF or DKIM URL Copied Google just announced that if a message received at Gmail cannot be authenticated by way of either DKIM or SPF, the user interface is going to show a question mark in place of the sender's avatar or logo. Click here to learn more. Share Get link Facebook Twitter Pinterest Email Other Apps Post a Comment Comments
Google just announced that if a message received at Gmail cannot be authenticated by way of either DKIM or SPF, the user interface is going to show a question mark in place of the sender's avatar or logo. Click here to learn more.
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