Delivery reflects recipient desires

Ken has an article today about how Pro Flowers managed to get their mail out of the bulk folder at Gmail by asking their recipients for help.

This year, ProFlowers apparently took into account Gmail’s use of sender reputation and user engagement in its spam filtering rules by using subject lines, such as: “Gmail Customer Notice: Open if you missed yesterday’s special discount!” and “Help Teach Gmail to Like ProFlowers. Give us a Star.”

The data presented by Ken, with the help of eDataSource, shows that this strategy helped ProFlowers go from a less than 25% inbox rate on February 14th to a near perfect inbox rate by March 15th. This is a much faster rebuild of their reputation this year than in previous years.
Engaging with the recipient, and asking them for help, can and does affect reputation. In this case, Pro Flowers rebuilt their reputation and inbox delivery by asking the recipients to engage with them. ISPs want to deliver mail that their users want and interact with. Encouraging recipients to interact with mail, even in a non sender trackable fashion like “starring” in gmail, does improve delivery.

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Inbox rates and conversion rates

Jeanne Jennings published an interesting bit of research on open rates and inbox rates at ClickZ recently. Essentially she looked at two different industry studies and compared their results.
The first study was the Return Path Global Delivery Survey and the second was the Epsilon North American Trend Results. What Jeanne found is that while Return Path shows a decrease in inbox placement, Epsilon is seeing an increase in average open rate.

There are any number of reasons this could be happening, including simply different ways the numbers are calculated. I am not sure it’s just a numbers issue, though. Many of Epsilon’s clients are very big companies with a very experienced marketing team. The Return Path data is across their whole user base, which is a much broader range of marketers at different levels of sophistication.
I expect that the Epsilon data is a subset of the Return Path data, and a subset at the high end at that. It does hint, though, that when the inbox is less cluttered, recipients are more likely to open the commercial mail that does get in there.

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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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Cheetahmail on appending

Experian CheetahMail believes that opt-out email appending is no longer an acceptable practice, and that marketers should no longer use of this practice to acquire customer email addresses. EmailResponsibly

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