Google Mail - Creating a Signature
You can create a signature that will appear at the bottom of every email message you send.
- Use your mouse to click on the Gear icon in the top right corner of your Inbox page.
- Click on the Settings link in the drop-down menu.
- Scroll down the page until you see a section called Signature. Type your signature and click the Save Changes button at the bottom of the page to save your email signature.