# Agent guardrails that actually work for email

*@aisha_r | Comparisons | 2 years ago*

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

Specifically interested in automations and creation speed.

## Comments

**leo_m** (95 votes): Resend MCP plus React Email is clean if engineers own transactional.

  **list_hygiene_helen** (74 votes): Customer.io is strong on journeys but you own the behavioral schema.

    **skeptic_sam** (62 votes): Not paid, just sharing what worked for our team on a similar list size.

**gdpr_guardian** (84 votes): OAuth setup took an afternoon but tool discovery is worth it.

**agentbuilder_jo** (79 votes): Resend MCP plus React Email is clean if engineers own transactional.

**pref_center_paul** (9 votes): Have you capped daily sends? We hit a loop once and reputation dipped.


---

[View on Email Agora](https://emailagora.co/posts/agent-guardrails-that-actually-work-for-email-233)