# Couryo (couryo.com)

Sends transactional email through an API or SMTP, sets up SPF, DKIM and DMARC, and explains destination server replies.

- Atlas card: https://inite.ai/en/atlas/couryo.com
- Site: https://couryo.com
- For: Brazilian developers and teams sending 10k to 300k transactional emails monthly, such as password resets and payment codes
- Use not measured/100 · alive 100/100

## Used for

- send transactional email through an API or SMTP
- explain rejected emails from receiving servers in Portuguese
- configure SPF, DKIM and DMARC records for a sending domain

## Price

- freemium (read 2026-10-31 on https://couryo.com/precos)

## For developers

- MCP server: com.couryo/mcp (namespace; auth on 2026-10-29)
- MCP server: com.couryo/tools (namespace; open on 2026-10-29, 6 tools)
- Status page: https://status.couryo.com
- Read 2026-10-29

## MCP server, measured daily

Server: https://mcp.couryo.com/tools, checked every day since 2026-10-29 (6 checks).

- Answered: measuring, 6 daily checks so far
- Median first answer: 226 ms
- Sign-in: none
- Context its tool definitions take: about 1118 tokens (6 tools)
- Tool definitions: A, 94/100
- Failing "params_described": 2 of 6 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-29

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Source: INITE Atlas, https://inite.ai/en/atlas/couryo.com. JSON: https://inite.ai/api/atlas/couryo.com. MCP: https://inite.ai/api/mcp (atlas_lookup).