# Features documentation

- [Features](/support/features.md): Here is the list of our features, and related documentation
- [Rich emails](/support/rich-emails.md)
- [Attachments](/support/attachments.md): Discover how to add attachments : to your mails with Mail Merge for Gmail
- [Multiple recipients](/support/multiple-recipients.md): In this page, you will learn how to add multiple recipients in Mail Merge for Gmail
- [Images](/support/images.md): On this page, you will learn about the different ways to add an Image to your Mail Merge template
- [Email Tracking](/support/email-tracking.md): On this page, you will learn how to know if your emails sent with Mail Merge for Gmail📣have been opened.
- [Unsubscribe link](/support/unsubscribe-link.md): Adding an unsubscribe link lets your recipients opt out of your emails, thus reducing the risk of being flagged as spam, and to have a cleaner mailing list.