Delivery and engagement

Tomorrow is the webinar Mythbusters: Deliverability vs. Engagement. This webinar brings together the ISP speakers from EEC15, plus Matt from Comcast, to expand on their comments. There’s been some confusion about the impact of engagement on delivery and whether or not senders should care about recipient engagement.
My opinion on the matter is well known: recipient engagement drives delivery to the inbox at some providers. I expect tomorrow we’ll hear a couple things from the ISPs.

  1. ISPs do monitor engagement, even if they do it differently than senders thought.
  2. Engagement is important for inbox delivery at some ISPs.
  3. Different ISPs have different ways of making inbox decisions.
  4. Engagement will matter more in the future.

But what is engagement? Engagement means recipients are interacting with emails. Senders measure engagement by watching users load images and click on links. ISPs measure engagement by looking at what users do with emails (file, reply to, save, open, delete without opening, spam). The engagement measures are different, and they give each group different data.
Measurements by the ISPs also apply to many factors inside the email. Most of the big ISPs have some mechanism to allow recipients to identify an email as spam. Some ISPs provide this information back to senders in the form of a feedback loop (FBL). FBLs are tied to IP addresses (or in some cases d= values in the DKIM signature) but complaints count against other parts of the email, too. Yahoo, for example, keeps track of complaints against specific URLs in a message and will block mail that contains a URL that gets too many complaints. I’m sure they’re not the only provider that tracks complaints and URLs.
Senders are much more limited in what they can track for engagement: image loads (opens) and clicks. These measurements have always been proxies for what the ISPs are measuring, but they’re what senders have to work with.
 

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Engagement based delivery makes testing tricky

Yesterday I wrote about how important recipients are to achieving good delivery. The short version of yesterday’s post is that delivery is all about engagement, and how the ISPs were really focusing on engagement and proving custom user experiences.
This is great, for the user. Take the common example where a commercial list has some highly engaged recipients and a bunch of recipients that can take or leave the mail. The ISP delivers the newsletter into the inbox of the highly engaged recipients and leaves it in the bulk folder of less engaged recipients.
With user focused delivery people get the mail they are interested in where they can read it and interact it. People who have demonstrated a lack of interest for a topic or a sender don’t see that mail.
This can get complicated for those of us trying to troubleshoot deliver problems, though. I have a couple mail accounts I use for testing at various ISPs. Even though I do very little to try and personalize the account I am seeing behaviour that leads me to wonder if ISP personalizing the inbox experience is going to make it that much more difficult to troubleshoot delivery issues.
I have to wonder, too, where this leaves delivery monitoring services in the future. If delivery is personalized, how can you know that the delivery monitoring addresses are representative any longer? Is there even a “representative” mailbox any longer?

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More on Yahoo and Engagement

A friend of the blog contacted me earlier today and pointed out that the news that Dan posted about Yahoo and engagement that I blogged about last week was actually reported by George Bilbrey in a Mediapost article on August 1.

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Yahoo looking harder at engagement

In a post this morning, Dan Deneweth from Responsys says he’s received confirmation from Yahoo that they have increased the value of engagement metrics when making delivery decisions.
The really great thing, for the ISPs, about engagement metrics is that they directly measure how much a particular email is wanted by recipients. There’s no guessing about it, it measures how engaged the recipient is with a mail. Even better is the fact that, unlike proxy metrics, engagement metrics are extremely difficult for the sender to manipulate. As a sender I can artificially lower complaints and bounces without improving the mail I’m sending. But I can’t improve engagement metrics without actually engaging my recipients.
As I wrote back in 2010:

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