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Email Auth Checker

workers

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to CursorAdd to VS Code

claude mcp add --transport http email-auth-checker https://email-auth-check.quietworklabs.workers.dev/mcp