For example, we review every single new account at MailChimp. Occasionally, we’ll come across a techie who created an email address like, “mailchimp-techie@example.com” I guess it’s a way to filter all email from us, and it’s also a nifty way to detect if we ever sell their email address or something (this should go without saying, but no—we don’t do evil stuff like that).

Anyway, there’s a quick and easy way you can do all that with Gmail:

2 hidden ways to get more from your Gmail address