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Category: Delivery Improvement

Q3 Email intelligence report from Return Path

Return Path released their 3rd quarter email intelligence report this week. And the numbers aren’t looking that great for marketers. Complaints are a major problem for commercial mailers. In the data Return Path examined, commercial mail made up 18% of the total inbox volume. That same mail accounted for 70% of all email complaints. Additionally, […]

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You can’t technical yourself out of delivery problems

In many cases these days, many more cases than a lot of senders want to admit, delivery problems at the big ISPs are a result of sending mail recipients just don’t care about. The reason your mail is going to bulk? It’s not because you have minor problems in your headers. It’s not because you […]

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Broken record…

The Return Path In the Know blog listed 4 reasons mailing those old addresses is a bad idea. Ashley, the author, is completely right and I endorse everything she said. (Although I’d really like to hear what happened to the customer that added back all those addresses. What was the effect on that campaign and […]

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Reputation is more complex than a single number

I checked our SenderScore earlier this month, as quite a few people mentioned that they’d seen SenderScore changes – likely due to changed algorithms  and new data sources. It sure looks like something changed. Our SenderScore was, for a while, zero out of a hundred. That’s as bad as it’s possible to get. I didn’t […]

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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 […]

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The 500 mile email

This is a great story from Trey Harris about a real email delivery issue from the mid 1990s. Here’s a problem that sounded impossible…  I almost regret posting the story to a wide audience, because it makes a great tale over drinks at a conference.   The story is slightly altered in order to protect […]

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Gathering data at subscription time

I recently received a survey from my Congressional Representative. She wanted to know what I wanted her to focus on in the coming year. I decided to go ahead and answer the survey, as I have some rather strong opinions on some of the stuff happening in Congress these days. The email itself was pretty […]

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DKIM deployment challenges

Cloudmark has an interesting blog post pointing out some of the challenges of signing mail with DKIM in a large company with a diverse mail system.

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About that Junk Folder

I use a pretty standard mail filtering setup – a fairly vanilla SpamAssassin setup on the front end, combined with naive bayesian content filters in my mail client. So I don’t reject any mail, it just ends up in one of my inboxes or a junk folder. And I have a mix of normal consumer […]

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IP reputation and the bulk folder

I’ve spent much of today talking to various people about IP reputation and bulk foldering. It’s an interesting topic, and one that has changed quite a bit in the past few months. Here are a few of the things I said on the topic. Generally IPs that the ISP has not seen traffic from before […]

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