That's a question I get asked from time to time, so I figured this would be a good place to link to numbers. As reported on CNET today : "The company said it has 110 [mi…
Now that Yahoo and AOL have both implemented "p=reject" DMARC policies, Google has modified their Google Groups discussion group service to "play nice" with …
Today, AOL announced that they, too, have adopted a "p=reject" DMARC policy . The same considerations previously mentioned as applying to Yahoo Mail users now apply to…
Surprise! Or was it? I've been warning for a while now that DMARC doesn't play nice with mailing lists . But really nobody, not even me, thought that a big ISP like Yahoo…
All this talk about Yahoo's recent DMARC policy change got a friend to ask me about her domain name and whether or not this change has any impact on her. Ellen asked me, &qu…
Yesterday, Yahoo posted " an Update on our DMARC Policy to Protect Our Users ." They've also posted " Yahoo DMARC Policy Change - What Should Senders Do ."…
How dare Yahoo update their DMARC policy without warning the internet community of the potential fallout from doing so. At least, that's what some other folks have said. My …
In the next chapter in the story of Yahoo's recent DMARC policy change , Andrew Barrett shares a snapshot of what percentage of an example email service provider's clien…
Yahoo's recent DMARC policy changes have made it so that Yahoo subscribers will now have trouble participating in old fashioned LISTSERV-style discussion lists. When a Yahoo …
A few days ago, Yahoo updated their DMARC policy setting to "p=reject." What this means is, mail containing a Yahoo from address is basically no longer considered legit…
I have no problem helping a client address deliverability issues, even if their industry or politics encompass something I don't personally approve of. My friend Mickey Chan…
The WHOIS process and protocol isn't just some nerd thing that goes back a hundred years; it's a valuable public directory for savvy internet users to be able to identif…
