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Comment on Ask HN: Why does adding '+FB' to an email still deliver to the original address?parent

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Some web sites don't want you create accounts like

  me+1@gmail.com
  me+2@gmail.com
  me+3@gmail.com
when it comes to making an army of sock puppets the biggest hassle is usually doing the email verification for all the accounts. The "+" trick greatly simplifies this though if somebody is looking for trouble they sure will find it. Of course if you control your own domain you can use a wildcard but if you add 1000 users to a site from the same domain that is obvious too.
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