# Post-purchase flows that convert

*@zara_f | Ecommerce | 1 year ago*

Deliverability question before we let an agent trigger more sends. What guardrails do you enforce?

Specifically interested in MCP and automation depth.

## Comments

**yuki_t** (17 votes): Customer.io is strong on journeys but you own the behavioral schema.

  **cart_abandon_pro** (32 votes): Customer.io is strong on journeys but you own the behavioral schema.

**raj_n** (71 votes): Resend MCP plus React Email is clean if engineers own transactional.

  **priya_deliver** (79 votes): Customer.io is strong on journeys but you own the behavioral schema.

    **tara_w** (86 votes): Seed-list before full send. Non-negotiable for agent-triggered mail.

**deliver_or_die** (37 votes): Links worth reading: https://docs.brew.new and https://developers.klaviyo.com/en/docs/klaviyo_mcp_server

**devon_r** (3 votes): Resend MCP plus React Email is clean if engineers own transactional.


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