Data Integrity, part 2

Yesterday I blogged about eROIs contention that consumers should not be wasting the time of lead gen companies by filling in fake data. There were lots of good comments on the post, and I strongly encourage you to go read them if you are interested in different perspectives on the data issue.
One of the arguments I was making is that people are only going to give accurate information if they trust the website that is collecting information. I do, strongly, believe this. I also believe very strongly that websites collecting information need to do so defensively. It is the only way you can get good information.
This ties in with an earlier post about a website that collects email addresses from any visitor, then turns around and submits those addresses to webforms. Hundreds of mailing lists have already been corrupted by this group. They are a prime reason companies must design address collection process defensively. There are people who do bad things, who will take an opportunity to harass senders and recipients. This company is not the first, nor will they be the last to commit such abuses.
Taking a stand against abusive companies and people may be useful, but that will not stop the abuse. It is much easier to design process that limits the amount of abuse. For lead gen, in particular, confirmed opt-in is one way to limit the amount of bad data collected. As a side effect, it also results in less blocked mail, fewer complaints and better delivery.

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Disposable or Temporary Addresses

Mark Brownlow has a really good post up today about disposable and temporary addresses and how they affect marketers trying to build an opt-in list.
I use tagged addresses for all my signups, and have for more than 10 years now. It lets me track who I gave an address to and if this mail is contrary to what I signed up for or the address has leaked, I can shut down mail to that address entirely.
Tagged addresses also have another function. One of our local brew pubs has a rewards program, spend money there, get points. As part of the signup process, they requested an email address. All the email I have received from them has been clearly branded, well designed, they are an example of how to use email right. That is until last week. Last week I received an email to the tagged address from some survey company. The survey company provided no branding, nothing.

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SpamZa: corrupting opt-in lists, one list at a time

A number of ESPs have been tracking problematic signups over the last few days. These signups appear to be coming from an abusive service called SpamZa.
SpamZa allows anyone to sign up any address on their website, or they did before they were unceremoniously shut down by their webhost earlier this week, and then submits that address to hundreds of opt-in lists. This is a website designed to harass innocent recipients using open mailing lists as the harassment vehicle.
Geektech tested the signup and received almost a hundred emails 10 minutes after signing up.
SpamZa was hosted on GoDaddy, but were shut down early this week. SpamZa appears to be looking for new webhosting, based on the information they have posted on their website. 
What does this mean for senders?
It means that senders are at greater risk for bad signups than ever before. If you are targeted by SpamZa, you will have addresses on your list that do not want your mail. Some of those addresses could be turned into spam traps.

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Engaging recipients critical for delivery

One of the issues I have touched on repeatedly is the changing face of blocking and filtering at ISPs. Over the last 12 – 18 months, large, end-user ISPs have started rolling out more and more sophisticated filters. These filters look at a lot of things about an email, not just the content or the sending IP reputation or URLs in the message but also the recipient profile. Yes, ISPs really are measuring how engaged recipients are with a sender and, they are using that information to help them make blocking decisions.
There were two separate posts on Friday related to this.
Mark Brownlow has a great blog post speculating about a number of things ISPs might be looking at when making decisions about what to do with an incoming email. He lists a number of potential measurements, some of which I can definitively confirm are being measured by ISPs.

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