From Gmail Help**:
If the sender added or removed dots from your email address, the message will still go to your inbox. Your email address is unique; people can't set up an identical account even with a different number or placement of dots.
For example, messages sent to these addresses will go to the same Gmail account:
If you still think the message was meant for someone else, contact the sender to let them know they mistyped the email address.
Note: If you use Gmail through work, school, or other organization (like yourdomain.com or yourschool.edu), adding dots to your username changes your email address. To change the dots in your username, contact your admin.
**For more information follow the link.