Prerequisites
Before you start, you’ll need:- A Resend API key
- A verified domain
Guide
Get the Resend SMTP credentials
When configuring your SMTP integration, you’ll need to use the following credentials:
- Host:
smtp.resend.com - Port:
465 - Username:
resend - Password:
YOUR_API_KEY
Integrate with Supabase SMTP
After logging into your Supabase account, you’ll need to enable the SMTP integration.

After that, you can click the Save button and all of your emails will be sent through Resend.
- Go to your Supabase project
- Click on Authentication in the left sidebar
- Click Email under the Notifications section
- Click SMTP Settings
- Add your Sender email and name (these are required fields). For example:
support@example.comandACME Support.

- You can copy-and-paste the SMTP credentials from Resend to Supabase.
