With every Gmail account you actually get a second email address – one is the regular address while the second address has as the domain. Let’s start with the use of the domain name. Using the plus sign “+” at the end of your name and adding extra characters.Using the “dot” or period in your email name.There are three main methods for expanding the number of usable Google email addresses that you can have from a single Gmail account: Having multiple Gmail addresses can provide a range of uses including easily separating personal and business email and tracking incoming email from specific subscriptions and mailing list. Multiple Google Email Addresses from One Gmail Account These bonus email addresses are easy to create and manage and can take a few different forms. One Gmail feature that you may not be aware of is that multiple Google email addresses can be created from one Gmail account. Google Gmail is a very slick, free email product.