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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Compliance vs. Deliverability

Most people I know handling delivery issues for senders have some version of delivery or deliverability in their job title. But as I talk to them about what they do on a daily basis, their role is as much policy enforcement and compliance as it is delivery. Sure, what they’re telling customers and clients is how to improve delivery, but that is often in the context of making customers comply with relevant terms and conditions.
Some delivery folks also work the abuse desk, handling complaints and FBLs and actually putting blocks on customer sends.
I think the compliance part of the delivery job description that is often overlooked and severely downplayed. No one likes to be the bad guy. None of us like handling the angry customer on the phone who has had their vital email marketing program shut down by their vendor. None of us like the internal political battles to convince management to adopt stricter customer policies. All of these things, however, are vital to delivery.
Despite the lack of emphasis on compliance and enforcement they are a vital and critical part of the deliverabilty equation.

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Spamfilters: a marketer's best friend

I was cleaning out my spam folder this afternoon. I try and do it at least once a day, otherwise the volume gets so bad I don’t actually look at the mail I just mark it all as read. I realized, though, that spamfilters are actually a marketer’s best friend.
If there were no spam filters keeping all the crap people get out of their inbox (in my case over 1000 messages a day) then spam would overwhelm even the most dedicated email junkie. I couldn’t do my job without my spam filters, and in fact the recent rash of virus spew is ending up in my inbox and making finding real mail a problem. I do a lot of sorting before mail ever hits my inbox, and I’m still struggling to deal with the couple hundred “your order has shipped!” and “please her tonight!” emails that my local bayesian filters haven’t caught up to, yet.
Today’s stats:
Work inbox: 17 messages
Work spam: 419
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Personal inbox: 40
Personal spam: 975
95.9% spam
Without filters, I couldn’t accurately find that 4.1% of real mail that I get. Without filters, I couldn’t do my job. Without filters, I couldn’t find the real receipts from purchases I actually made. Without filters, I couldn’t read and respond to mail I wanted.
A mailbox overflowing with spam is unuseable, and email marketers should be thankful that providers work so hard to keep spam out. Otherwise, email wouldn’t be useful for anything.

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Guaranteed email delivery

Ben over at Mailchimp has a good post about his response (and his support staff’s more professional and helpful response) to inquires asking if Mailchimp can guarantee an improvement in delivery.
I sympathize with Ben, and commend his staff. I often get potential clients asking me if I can guarantee I can get their mail to the inbox or get them off a public or private blocklist. And, the answer really is no, I can’t guarantee anything. Much of delivery is solely in the hands of the actual sender. Sure, ESPs can enforce a certain standard of behaviour and they can do all the technical things right. And consultants like me can tell you how ISP spam filters work and explain how some of your choices and processes affect delivery. But none of us can guarantee inbox delivery.
Only one company has tried to guarantee inbox delivery, and they shut down earlier this year because they were non-viable and couldn’t get enough of a recipient userbase to attract customers.
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