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Resend is positioned for production transactional and application email, and its public pricing page lists deliverability and reliability features such as DKIM, SPF, DMARC authentication, automatic suppression lists, bounce details, pristine shared IPs, and multi-region support. Teams with strict uptime, compliance, or high-volume requirements should validate SLAs, support terms, and deliverability needs directly.
Resend has a stronger emphasis on modern developer experience, clean API integration, official SDKs, React Email, and framework-friendly workflows. SendGrid is broader and more established, so teams should compare analytics, marketing features, support commitments, deliverability tooling, and pricing at their expected volume.
Yes. React Email is optional. Resend's API accepts plain HTML and text content. The React integration is a bonus for React teams but not required. You can use Resend with any framework or language through the REST API.
Resend supports key deliverability building blocks including DKIM, SPF, and DMARC authentication, automatic suppression lists, bounce details, pristine shared IPs, deliverability insights, and optional dedicated IPs on eligible paid plans. Actual inbox placement still depends on sender reputation, list quality, content, authentication, and warmup practices.
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Last verified March 2026