Yahoo now auctioning domain names

This summer Yahoo shook up the email ecosystem by publicly announcing they were recycling usernames. The shakeup wasn’t so much that they were recycling usernames, but that they did it in a way that compromised user information and account security. Any user that had an account tied to a recycled Yahoo account is at risk for having their PII leaked. Folks are still dealing with the fallout, both Yahoo and the companies who are trying to meet customer needs by sending emails and protect customer emails by not sending emails.
On top of that, Yahoo announced they’re selling off a number of domains that they’ve accumulated over the years. Some of these are pretty high value domains like webserver.com, sandwich.com and other real words.
I don’t think Yahoo used any of these domains for email, and even if they did any addresses should have bounced off years ago. Still, it does bring up some broader policy issues.
Many, many things online, from bank accounts to social media accounts to blog commenting systems treat email addresses as a unique identifier for that account. Many of these databases were developed with the underlying assumption that people wouldn’t change their email addresses and that it was a static value. This wasn’t a true assumption 10 years ago and it’s certainly not true now. This mistaken assumption is a problem, and one that more and more companies are going to have to address moving forward. This isn’t about email and it isn’t about delivery, it’s about simple data accuracy and hygiene.
Companies must start thinking and addressing email address impermanence. These issues are not going away.

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Increase in bounces at Y!

I’ve been seeing reports over the last few days about an increase in bounces at Yahoo. Reliable people are telling me they’re seeing some increase in “invalid user” bounces.
You may remember Yahoo announced an overhaul of their mail product back in December. Reliable sources tell me that this is more than just interface revamp. In the back end, Yahoo! is removing older products with few users and security problems. This fits in with the changes CEO Mayer has been making with the company: slim down and stop supporting unprofitable products.
It makes sense that while engineers are looking at the guts of the email program and cleaning up the cruft, they will also disable long unused email addresses. This will result in higher unknown users for some senders.
What’s interesting to me is that the reports are somewhat sporadic. Some senders are seeing a huge percentage of bounces, some are seeing the normal percentage. I expect this difference isn’t anything more than how actively a sender purges based on engagement. Senders that purge unengaged addresses are going to have already removed a lot of the addresses Yahoo! is now purging from their database. Senders that keep sending to their whole list, are going to see a lot of unknown user bounces.
I’ve asked a few folks and people who’ve responded told me that spot checks showed all the addresses turning up as invalid had no engagement for long periods of time.
If you are seeing a lot of bounces at Yahoo! over the last few days, you need to remove those addresses from your lists. I also recommend looking at the engagement statistics of these newly purged recipients. This will tell you, approximately, what an abandoned address profile looks like. You can use that information to make good decisions about purging unengaged users at other ISPs as well. Not only does this lower costs, because you’ll be sending to less non-responsive email addresses, it will also improve delivery at many ISPs.

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Microsoft has a new TV ad showing how trivial it is to remove unwanted email from the inbox. Various busy people use the “sweep” and “delete” functions to clean up mail. The commercial even have a segment counting up the hundreds of emails deleted.
This tells me a few things.Images of all my different filters

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Recycled Yahoo addresses and PII leaks

Infoweek interviewed a number of people who acquired new Yahoo addresses during Yahoo’s address recycling and reuse process. It seems that at least for some small percentage of former Yahoo users, there is a major risk of information going to the wrong people.

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