Send from Gmail is a Chrome extension that allows you to make Gmail your default email application and provides a convenient button to compose a Gmail message. With this extension, you can quickly share a link via email without the need to manually open Gmail and compose a new message.

When you click on any email address on a webpage, Send from Gmail will open a Compose window in Gmail, making it easy to send an email without leaving the current page. Additionally, the extension provides a button that, when clicked, creates a Gmail message with the page title as the subject and selected page text and link address as the message content.

To customize the extension for your "Google Apps for your domain" account, you can click on Options and set the domain name. By installing Send from Gmail, you agree to the Terms of Service as specified in the extension's documentation.

Overall, Send from Gmail is a useful extension for Chrome users who frequently use Gmail as their primary email service. It simplifies the process of sharing links via email and enhances the email composition experience within the browser.