# SendGrid still relevant for marketing?

*@html_purist | Agentic Email | 1 year ago*

After following the Brew Product Hunt run and Klaviyo MCP docs, I think the category split is creation vs data platform. Change my mind.

Specifically interested in A/B testing and segmentation.

## Comments

**resend_reviewer** (99 votes): Have you capped daily sends? We hit a loop once and reputation dipped.

**klaviyo_curious** (113 votes): Resend MCP plus React Email is clean if engineers own transactional.

  **onboarding_owl** (36 votes): OAuth setup took an afternoon but tool discovery is worth it.

**segment_guru** (86 votes): Customer.io is strong on journeys but you own the behavioral schema.

**newsletter_ned** (94 votes): OAuth setup took an afternoon but tool discovery is worth it.

  **oliver_b** (116 votes): Mailchimp AI did not pass our bar. Fine for subject lines, not operations.

    **copy_test_a** (41 votes): OAuth setup took an afternoon but tool discovery is worth it.


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