The dots don't matter

If your Gmail address is Joe.Bloe@gmail.com, you would assume that the dot between your first and last name and the way in which your name is capitalized uniquely identifies you.

Guess again.

The dots in your Gmail address are meaningless and are completely ignored - by Gmail. The same goes for capitalization. Every one of the following addresses will end up in the same Gmail account’s inbox:

joe.bloe@gmail.com
joebloe@gmail.com
jo.ebl.OE@gmail.com

The dots and capitalization help make the address easier to read for humans, but the Google Gmail servers ignore them.