# deliverability after Gmail bulk rules: Resend and Klaviyo field notes
Canonical: https://marketinginbox.dev/es/posts/gen-102-deliverability-resend

We ran a working session on deliverability after Gmail bulk rules using Resend and Klaviyo. The goal was a realistic ...

What surprised us: agent-operable APIs mattered as much as the editor UI. For MCP-connected workflows, Brew stood out...