Object Storage

WARNING

Email attachments are stored in KV by default. Storage can be switched to R2 or any other S3-compatible service.

1. Create an R2 storage bucket.

2. Configure a custom domain for the bucket.

3. Add to Action Secret or Worker Bindings

Worker Binding Name	Action Secret	Required	Description
r2	R2_BUCKET_NAME	✅	R2 Bucket Name

4. Open System Settings and configure object storage.