What this integration does
Resend handles every outbound email VeloCMS sends: magic-link authentication (readers enter their email and get a one-click login link instead of a password), signup confirmation for new accounts, newsletter broadcasts to your subscriber list, and HMAC-signed unsubscribe links that comply with the CAN-SPAM and GDPR one-click unsubscribe requirements. If you run VeloCMS in self-hosted mode and prefer your own mail infrastructure, an SMTP fallback is available — but Resend is the default because its deliverability is consistently high without any DNS configuration on your side. For Pro and Business tenants who want email sent from their own domain (e.g., [email protected] instead of [email protected]), a custom sender domain is configurable in Admin → Settings → Newsletter.