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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...

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...

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...

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...

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? 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 data—such as names, emails, and phone...

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 <; header, Microsoft states that there is no information on how to...

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 to receive them from our AOL mail...

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...

Social media connections are not opt-ins

It seems silly to have to say this, but connecting on social media is not permission to add an address to your newsletter or mailing list or prospecting list or spam list. Back in 2016, I wrote: [Scraping addresses from LinkedIn] is really rude. Just because someone accepted your contact request on LinkedIn, doesn’t mean they want to be added to any mailing lists you may have. Let’s be honest...

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