When connecting Salesmachine to sendgrid , additional setup needs to be done.
To do so,
- Click on this link : https://app.sendgrid.com/settings/mail_settings
- Select section "Event Notification"
- Then, copy past results in the url domain
- Replace the <api_token> with the token found in Salesmachine API Section : https://my.salesmachine.io/app/api/edit