1. Gmail doesn’t look at ‘period’ in the email.
johnsmith@gmail.com
john.smith@gmail.com
j.o.h.n.smith@gmail.com
Is all the same emails. Email sent to any of the address will be forwarded to the same email account.
This is a neat way to sign up for multiple accounts at some other service that requires unique email. I found that out on my own because I have a period in my email and saw some email coming to me without the period.
2. The second trick, I read on lifehacker is to use the plus sign trick.
Example: You could use
johnsmith+nytimes@gmail.com for nytimes.com
johnsmith+freestuff@gmail.com for freestuff.com
Gmail will automatically remove everything including the plus sign.



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Wow, that sounds like a major security problem. Periods are valid in email addresses and I certainly don’t want my email sent to someone elses account because Google is stripping out periods…
It’s not really a security risk because google also strip out the period during the Account creation process. So there can only be one email without the periods.