For the complete site index, see llms.txt. Docs index: llms-docs.txt. Marketing corpus: llms-full.txt. Docs corpus: llms-full-docs.txt. Prefer markdown URLs where available (append .md).. Product skill: skill.md. Pricing: pricing.md. Docs MCP: /docs/mcp. Site MCP: /mcp.

SPF, DKIM, and DMARC: The Complete Setup Guide (2026)

All Engineering AI & Automation Growth Self-Hosting Deliverability Tutorials Open Source

MIGRATION/JUNE 1, 2026

Migrating from SendGrid to Reloop

Step-by-step migration — map APIs, switch SMTP, update webhooks, and validate deliverability during the cutover.

GROWTH/MAY 20, 2026

Transactional Email Best Practices: The Complete Developer Guide

Everything you need to send fast, reliable, inbox-landing transactional email — from domain setup and template design to delivery patterns and monitoring.

TUTORIALS/MAY 10, 2026

How to Send Email in Next.js App Router (2026)

Send transactional email from Next.js App Router using Reloop's Node.js SDK in Server Actions and Route Handlers.

SELF-HOSTING/APRIL 28, 2026

Self-Hosted Email Infrastructure: When and How

Why teams self-host email, what Reloop gives you out of the box, and how to deploy with Docker Compose.

COMPARISON/APRIL 15, 2026

Email Provider Comparison: Resend vs SendGrid vs Reloop

A 2026 comparison of developer email providers on open source, self-hosting, campaigns, and pricing.

Ready to send?

Open-source email infrastructure with a generous free tier. No vendor lock-in.

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