Documentation

How to use Smailor with your domain, improve deliverability, and connect integrations.

Email setup

Email configuration, DNS basics, and deliverability

Add a new domain

Add and verify a custom domain in Smailor

DKIM setup

Generate and configure DKIM for your domain

BIMI setup

Show your logo in the inbox (Gmail, Apple Mail, Yahoo)

Domain delivery stats

Bounces, complaints, and send metrics for your verified domains

REST API

API keys, white-label send (/api/v1), contact widget submit, reply templates session API, limits, and errors

Quick tips

SPF, DKIM, DMARC — Set up these three records to protect deliverability
BIMI — Add your logo for more visibility (requires DMARC)
Patience — DNS propagation can take 24–48 hours
Validators — Use external tools to verify your configuration

smailor-llm.md ~8 kb

For AI assistants & developers

AI Integration Reference

Add smailor-llm.md to your project and any AI assistant — Claude, GPT, Cursor, Copilot — instantly knows every Smailor endpoint, auth method, error code, and rate limit.

Authentication (Bearer / X-API-Key)
POST /api/v1/send — transactional email
GET /api/v1/domains — list & reputation
POST /api/v1/mailboxes — provision addresses
Inbound webhooks payload schema
Full error codes & rate limits
TypeScript, Python, cURL examples
Integration patterns & env vars

# In Claude / Cursor / any AI tool
@smailor-llm.md — or paste the raw URL into your context

Need help?

If you cannot find the answer in the documentation, we are here to help.

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