If your unsubscribe hyperlinks are not working, verify that the following are all configured.
1. Go to Settings > Notification Templates > User Mailer.
- Make sure the "Add unsubscribe link to the email" flag is checked under the user mailer
2. Go to Settings > Email Templates > Default Templates of My Templates.
- Double click on the text box in the email editor that contains the word unsubscribe.
- In the subsequent pop-up window configure the TAG as follows in the URL field:
- Make sure that the Protocol is set to <other> and the URL field contains "[unsubscribe]"
3. In the Sendgrid dashboard go to Marketing or Transactional > Settings > Tracking > Subscription Tracking.
- Make sure the replacement tag is added and matches this image and Subscription Tracking is turned on.