Not verifying email addresses

Someone keeps signing up my gmail address to things. The address they use has an extra '.' in it, but as far as gmail is concerned the '.' isn't significant. I could use the reset password feature to stop the accounts bugging me, but this is possibly illegal. In any case, I don't understand why the address wasn't verified in the the first place. The offenders so far have been Indiarocks, Spotify, and Gogoinflight. Poor show guys. You really should know better.

Update: Spotify and Gogoinflight have something in common: a free trial. Essentially they are inciting this type of behaviour, and not attempting to defend against it. Here's a blogger using his *cough* real *cough* email address to sign up: The GOGO InFlight WiFi Free Google Holiday Internet Scam, and then setting his browser agent to trick the system into thinking he was using a mobile device. All good clean fun.

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