email.resend) is a Streamly plugin in the email category.
Sends receipts and system mail. When both email plugins are installed, Resend is preferred over Mailgun.
Learn the service
Watch this overview of the vendor platform (helpful before you paste keys into Streamly).How to use Resend with Anything — Resend.
At a glance
How it works
Email layer uses your API key + verifiedfromEmail. Legacy env: RESEND_API_KEY, STREAMLY_FROM_EMAIL.
Activation keys
Configure in/admin/plugins → Resend → Configure. Secret fields stay server-side — never commit them or expose as NEXT_PUBLIC_* unless the key is intentionally public (e.g. Stripe publishable key).
Setup guide
1
Verify domain
Add DNS records in Resend.
2
Create API key
Send permission.
3
Configure plugin
apiKey + fromEmail.4
Test
Send a test email from Settings → Email.