# Mailcheck MCP

Vendor: Mailcheck  
Category: other  
Auth: API_KEY  
Composio slug: `mailcheck`

Mailcheck is an email verification service that helps businesses validate email addresses to ensure deliverability and reduce bounce rates.

## Setup

1. Create or open a Switchy Space.
2. Open Integrations and connect Mailcheck.
3. Authorise through api_key.
4. Teammates can now @-mention Mailcheck tools in chat.

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Last verified: 2026-04-23T23:46:29.618Z  
Canonical URL: https://switchy.build/mcps/mailcheck