Recent Posts

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 importantly, the law itself states that there is no obligation for ISPs to deliver CAN SPAM compliant mail.

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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 underlying questions. When we understand how two diametrically opposed answers are both correct, we understand much more about filtering.

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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 the actual user mailboxes. Right now, FBL messages for AOL properties are coming from AOL and will continue to do so until the actual mailbox is transitioned to the new infrastructure. Once the mailbox is transitioned, then any FBL emails from that address will come from the Yahoo infrastructure. The blog post at AOL suggests signing up for both AOL and Yahoo FBLs during this transition phase.
It does bring up an interesting question as to whether or not the combined FBL is going to be IP based, DKIM based or a mix of both. It sounds like at least during some part of the consolidation there will be a DKIM only FBL. It could be that there will be some expansion to an IP system in the future. Or, it could be that all FBLs from AOL addresses will be based on DKIM domain.

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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 problems that other deliverability folks haven’t solved. Overall I focus on understanding client programs and business needs as well as current deliverability situation. Once I have a picture of a client’s program, I craft solutions that work with their business processes and get mail to the inbox. We don’t sell tools or certification. Instead, we work with our clients to help them fix delivery and teach them how to analyze the data they already have.
The nature of the work I do is intensive and I limit the number of clients I have in order to provide personalized service. But that’s OK! We have 2000+ blog posts to answer questions. And, there are lots of other companies that provide deliverability help. Here’s a partial list of places to look for resources.

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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, Gmail) using List-Unsubscribe headers and at least one mobile client (Apple Mail). 20 years on it seems List-Unsubscribe is finally gaining traction.
Notice, too, that ISPs hold their own mail to the same standards as outside mail. This really is Microsoft offering to let me block everything from MSN News.
 

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GDPR and Whois data

For folks who aren’t following the discussion about whois records and GDPR compliance there’s a decent summary at vice.com: What Is Going to Happen With 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 is no information on how to help the user unsubscribe, so the offer to block the sender instead. Like in these two messages.
When the List-Unsubscribe header uses a mailto: link, Microsoft uses completely different language in the popup and does let the user know any future mail will go to the junk folder.

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AOL MX Change update

The AOL postmaster team posted some information about the upcoming MX transition on their blog.

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Collecting email addresses

One of the primary ways to collect email addresses is from website visitors, and it’s actually a pretty good way to collect addresses. One of the more popular, and effective, techniques is through a pop-up window, asking for an address. Users need to provide an address or click a “no thanks” link or close the window. I’ve noticed, though, that many companies drop something passive aggressive in their “no thanks” button. “No, thanks, I don’t want to save money.” “I don’t need workout advice.”

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