When you first log in to your Williams Google Mail account in Chrome, you’ll see a double-diamond icon in your address bar. Clicking this icon opens a menu: Choose Use Williams College Mail (mail.google.com) and then click Done. Chrome will now open a new compose window whenever you click on an email link.
If you don’t see the double-diamond icon in your Address bar, you can set the re-configure the email handler in your Google Chrome settings. If you see a email link you can right click that email and use the 'Open link with' option to configure the mail to. If you see the mail.google.com option choose that or choose configure and remove the current default. Once the default is remove the above directions with the double-diamond icon will apply.