Link Branding
To serve all of the click-tracked links, opens, and images in your emails from your domain, use Email link branding. This replaces sendgrid.net for Global Email send or eu.sendgrid.net for Regional Email send with your domain. To determine whether the email looks trustworthy, spam filters and recipient servers look at the links within emails. To determine if they can trust the links, these systems check the reputation of the root domain.
To manage link branding, go to the Sender Authentication section of the Twilio SendGrid App.
To learn more, see How to set up link branding.