Author: laura

Another day… another shooting

The importance of email fades when there is yet another school shooting in the US. I cannot fathom the depth of grief and sorry for the parents who lost their children today. It is an utter tragedy that we, as a country, continue to accept dead children as an acceptable price to pay for the […]

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Following CAN SPAM isn’t enough to reach the inbox

One of the top entries on the list of things deliverability folks hear all the time is, “But my mail is all CAN SPAM compliant!” The thing is… no one handling inbound mail really cares. Seriously. CAN SPAM is a law that is little more than don’t lie, don’t hide, and heed the no. Even more […]

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Did the algorithm change?

When faced with unexplained deliverability changes one of the first questions many folks ask is “Did the algorithm change.” In many ways this is an meaningless question. Why? Because there are two obvious answers to the question. A1: Of course it didn’t. A2: Of course it did. Both answers are correct, but they’re answering different […]

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More on AOL transition to Oath Infrastructure

AOL posted on their blog today about changes to DMARC reporting and FBL messages as they continue to transition domains to the OATH infrastructure. As AOL domains go to the new infrastructure, DMARC reports for those domains will be included in the existing Yahoo DMARC reports. After the MX migration is done, they’ll start migrating […]

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Where to get deliverability help

There are lots of places to get deliverability help, I thought I’d list some of them here so I have a post to point people to. Of course, we provide deliverability consulting services and have done since 2001. Our customers are mostly large companies sending millions of emails a month. I focus mostly on complex […]

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List-Unsub header

Benjamin asked in the comments where in the interface the “unsubscribe” or “block” popup appeared. This is the dialog box Microsoft uses when the add the “unsubscribe here” link at the top of a message. Screenshots taken today from my Hotmail account: At this point we have 3 of the major webmail providers (Yahoo, Microsoft, […]


GDPR and Whois data

For folks who aren’t following the discussion about whois records and GDPR compliance there’s a decent summary at What Is Going to Happen With Whois? The problem, briefly stated, is that ICANN has agreements with the thousands of domain registrars around the globe like GoDaddy or HostGator which oblige the companies to post WHOIS […]

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Yahoo List-Unsub header

Last week some folks were mentioning a spike in unsubscribes from Yahoo. This is being investigated.  

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Microsoft using the List-Unsubscribe header

An interesting observation from Brian Curry about how Microsoft is using the List Unsubscribe header in their interface. The short version is that Microsoft is only supporting mailto: links. They’re ignoring any List-Unsubscribe links that are a URL. Here are some screenshots.  When the sender is using a List-Unsubscribe <http://> header, Microsoft states that there […]


AOL MX Change update

The AOL postmaster team posted some information about the upcoming MX transition on their blog. [S]tarting this week, the majority of AOL’s MX records will point to [OATH’s] new combined servers. This should be transparent to any sender as those servers will operate in simple pass-through mode. This means senders with established FBLs will continue […]

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