DMARC: Gmail "p=reject" policy is coming

First Yahoo. Then AOL. Recently, additional Yahoo domains. Next up? Gmail. announced today that Gmail will move to publish a more restrictive DMARC policy in 2016. Read more over on Word to the Wise. (H/T WTTW)

Add Other Email Accounts to Yahoo Mail

Want to access your AOL or mail via Yahoo! Mail? Yahoo's got you covered.

The deliverability consultant in me wonders exactly how this is accomplished. It might be that only the inbox folders come across and you probably don't get a chance to see anything in your AOL or spam folder. I find a fair number of false positives in my Gmail spam folder; but that doesn't mean that the same would be true of AOL or Outlook, or even of the Gmail spam folder for other regular joe users, who aren't email nerds like we are.

Additional Yahoo Domains to get DMARC "Reject" Policy

You may recall that Yahoo implemented a "p=reject" DMARC policy in April, 2014 for their primary domain name. (And AOL did the same for shortly after.) This changed the email landscape significantly. Among other things, email forwarding, discussion groups, and spam were all impacted, for better or for worse.

Today, Yahoo announced on the DMARC-Discuss mailing list that they will be similarly implementing a "p=reject" DMARC policy for their and domains on November 2, 2015.

The domains and are alternate domains that Yahoo! Mail users can use when creating an account, thus, they are pretty much equal to when you consider what people use them for or what kinds of traffic you would typically see them used for.

A Yahoo representative also explained that "[in] the coming quarters you can expect Yahoo to publish similar policies for other Yahoo owned and operated domains, including international Yahoo domains (e.g., Yahoo Groups, Flickr and Tumblr."

If you run mailing lists or email forwarding, and you've already updated your software to appropriately handle domains with a DMARC "p=reject" policy, you probably don't have to do anything new here, assuming you didn't just hard code your software to special case and