BaseLinker for Gmail is a handy application for merchants using the Gmail inbox for correspondence with customers. It is a free Gmail add-on - shows the customer orders associated with a given email address directly in the inbox view so that one click may take you to the right order tab in BaseLinker. The add-on can be used both on your computer and on your mobile phone. The add-on is embedded in the Gmail interface and is the official Gmail extension.
BaseLinker for Gmail is a significant improvement for sellers:
The installation is very simple - see the instructions.
Gmail + Marketplace
Gmail + Shops
Gmail + Fulfillment