Koltrix
Email API
Implementing one-click unsubscribe (RFC 8058) correctly
One-click unsubscribe needs two headers, a DKIM signature that covers them, and an endpoint that accepts a POST without a login. Build it step by step.
5 min read
One-click unsubscribe needs two headers, a DKIM signature that covers them, and an endpoint that accepts a POST without a login. Build it step by step.
5 min read