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Tag: dmarc

Beware the oversimplification

Setting up a DMARC record is the easy bit. Anyone can publish a record in DNS that will trigger reports to them. The challenge is what to do with those reports and now to manage them. DMARC is a complex protocol. It builds on two other protocols, each with their own nuances and implementation issues. […]

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More on ARC

ARC – Authenticated Received Chain – is a way for email forwarders to mitigate the problems caused by users sending mail from domains with DMARC p=reject. It allows a forwarder to record the DKIM authentication as they receive a mail, then “tunnel” that authentication on to the final recipient. If the final recipient trusts the […]

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Ask Laura: Can you help me understand no auth / no entry?

Dear Laura, I’m a little confused by the term “no auth / no entry”. Gmail and other major receivers seem to be moving towards requiring authentication before they’ll even consider delivery. Does this just mean SPF and DKIM, or does this mean the much more stringent DMARC, as well? Thanks, No Shirt, No Shoes, No […]

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DMARC p=reject

Mail.ru is switching to p=reject. This means that you should special-case mail.ru wherever … Actually, no. Time to change that script. If you operate an ESP or develop mailing list software you should be checking whether the email address that is being used in the From: address of email you’re sending is in a domain […]

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Ask Laura: Do I have to publish DMARC?

  Dear Laura, I heard recently that both Gmail and Yahoo will require DMARC authentication in early 2016 or images will be automatically blocked. Is that correct? And if so, do you know when they will be requiring DMARC? A DMARC-Overwhelmed Admin Dear Overwhelmed, There are three things going on here, all of which are […]

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More Yahoo domains get DMARC’d

Yahoo is turning on p=reject for 62 of their international domains on March 28, 2016. These domains include: y7mail.com yahoo.at yahoo.be yahoo.bg yahoo.cl yahoo.co.hu yahoo.co.id yahoo.co.il yahoo.co.kr yahoo.co.th yahoo.co.za yahoo.com.co yahoo.com.hr yahoo.com.my yahoo.com.pe yahoo.com.ph yahoo.com.sg yahoo.com.tr yahoo.com.tw yahoo.com.ua yahoo.com.ve yahoo.com.vn yahoo.cz yahoo.dk yahoo.ee yahoo.fi yahoo.hr yahoo.hu yahoo.ie yahoo.lt yahoo.lv yahoo.nl yahoo.no yahoo.pl yahoo.pt yahoo.rs yahoo.se […]

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February 2016: The Month in Email

Happy March! Here’s a look back at our last month of email adventures. It was a busy few weeks for us with the M3AAWG meeting in San Francisco. We saw lots of old friends and met many new people — all in all, a success, despite the M3AAWG plague we both contracted. Hot topics at […]

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Should you publish DMARC?

I’ve been hearing a lot lately about DMARC. Being at M3AAWG has increased that. Last night we were at dinner and heard from the next table “And they’re not even publishing DMARC!!!!” I know DMARC is the future. I know folks are going to have to start publishing DMARC records. I also know that the […]

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Ask Laura: Confused about Authentication

  Dear Laura, I have a client moving from an external ESP to an internal system. They send approximately eight million messages per year, and these are primarily survey emails on behalf of their clients. We’ve had some conversations about authentication, and I’m trying to help them figure out if they just need DMARC or […]

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Things you need to read

The email solicitation that made me vow to never work with this company again. When sending unsolicited email, you never know how the recipient is going to respond. Writing a public blog post calling you out can happen. The 2016 Sparkies. Sparkpost is looking for nominations for their email marketing awards. Win a trip to […]

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  • Vague reports of Yahoo problems

    A number of people, on different forums, have been asking if anyone is seeing a higher bounce rate than usual with Yahoo. Not sure exactly what's going on here. As I understand it, folks are talking with Yahoo about it. If I hear anything more, I'll share. For now, though, if you're seeing a small increase in Yahoo bounces (or other weirdnesses) others are seeing something odd, too.No Comments


  • Responsive design just got easier at Gmail

    Today Gmail announced they are supporting media queries in Gmail and Google Inbox. This should simplify the creation of emails for multiple platforms. The full list of supported rules can be found on the Google Developer Site.No Comments


  • Brief blogging break

    Sorry about the unexpected hiatus. I picked up a cold that really made me feel fuzzy and writing was an exercise in futility. I'll be back Monday. Meanwhile, Oracle bought another ESP (Bronto) when they bought NetSuite.  No Comments


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