In this article, we'll explain how to customize your Gmail address so you can create dozens of variations that appear different to senders, without having to create a new Gmail account.
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Gmail ignores periods in addresses, so put a period anywhere in your email and Gmail will pretend it doesn’t exist. Any website you sign up for will see your email address with a period as different from your address without a period; this means you can sign up for multiple accounts on the same website without needing multiple email accounts.
Below are some examples. Keep in mind that each address is exactly the same, so you can send mail to any of these addresses to reach the same Inbox.
You can't add a period after the @ sign, but everything before it is open to tweaking. You can even add more than one period, like this: