Privacy policies in court

Venkat has an analysis of a case where an individual provided a unique address to a vendor and that vendor released the address in violation of the posted privacy policy. The federal court rejected the suit due to the failure of the plaintiff to provide evidence of harm.
I posted last week about privacy policies and how often they are intentionally or unintentionally violated and when email addresses leak. Courts have consistently ruled against plaintiffs. It seems that the courts believe merely revealing information, even in contradiction to a posted privacy policy, is not actionable by the plaintiff.
As a consumer, I really don’t like the ruling. If a company is going to post a privacy policy, then they should follow it and if they don’t, I should be able to hold them responsible for their lies. Back in the land of reality, I am not surprised at the rulings. Individuals have never owned their personal information, it is the property of the people who compile and sell data
It does mean, however, that privacy polices are not worth the paper they’re written on.

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What is an email address? (part three)

As promised last week, here are some actual recommendations for handling email addresses.
First some things to check when capturing an email address from a user, or when importing a list. These will exclude some legitimate email addresses, but not any that anyone is likely to actually be using. And they’ll allow in some email addresses that are technically not legal, by erring on the side of simple checks. But they’re an awful lot better than many of the existing email address filters.

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What is an email address? (part one)

Given we deal with email addresses every day, dozens or thousands or millions of them, it seems a bit strange to ask what an email address is – but given some of the problems people have with the grubbier corners of address syntax it’s actually an interesting question.
There are two real standards that define what is a valid email address and what isn’t. The most complex is RFC 5322 – Internet Message Format, which describes all sorts of things about the structure of an email, including what’s valid to put in From: and To: headers. It’s really too liberal in what it allows an email address to look like to be terribly useful, but it does provide for one very commonly used feature – the friendly from where the name that’s displayed to the recipient is not just the email address.

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What is an email address? (part two)

Yesterday I talked about the technical definitions of an email address. Eventually on Monday I’m going to talk about some useful day-to-day rules about email address acquisition and analysis, but first I’m going to take a detour into tagging or mailboxing email addresses.
Tagging an email address is something the owner of an email address can do to make it easier to handle incoming email. It works by adding an extra word to the local part of the email address separated by a special character, such as “+”, “=” or “-“. So, if my email address is steve@example.com, and I’m signing up for the MAAWG mailing lists I can sign up with the email address steve+maawg@example.com. When mail is sent to steve+maawg@example.com it will be delivered to my steve@example.com mailbox, but I’ll know that it’s mail from MAAWG. I can use that tag to whitelist that mail, to filter it to it’s own mailbox and a bunch of other useful things.
In some ways this is similar to recent disposable email address services, but rather than being a third party service it’s something that’s been built in to many mailservers for well over a decade. It doesn’t require me to create each new address at a web page, instead I can make tags up on the fly. And it works at my regular mail domain.
If you’re an ESP it can be interesting to look for tagged addresses in uploaded lists. If it’s a list owned by Kraft and you see the email address steve+gevalia@example.com in the list, that’s a strong sign that that email address at least was really volunteered to the list owner. If you see the email address steve+microsoft@example.com then it’s a strong sign that it wasn’t, and you might want to look harder at where the list came from.
One reason that this is relevant to email address capture is that tagged addresses are something that you should expect people, especially more sophisticated users of email, to use to sign up to mailing lists and that they’re something you don’t want to discourage. Yet many web signup forms forbid entering email addresses with a “+” or, worse, have bugs in them that map a “+” sign in the email address to a space – leading to the signup failing at best, or the wrong email address being added to the list at worst. This really annoys people who use tagged addresses to help manage their email, and they’re often exactly the sort of tech-savvy people who make a lot of online purchases you want to have on your lists.
More on Monday.

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