com.spamfixer/email-deliverability-check · v1.0.0 · communication
SpamFixer Email Deliverability Check is healthy: it completed an MCP handshake in 1293 ms and exposes 1 tools.
Why do a domain's emails go to spam? Checks SPF, DKIM, DMARC, MX and blocklists. Free, no login.
Endpoint: https://spamfixer.com/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 1 |
| Latency | 1293 ms |
| Last checked (UTC) | 2026-10-28T06:30:25.755Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-28T06:30:25.755Z | Healthy | 1293 |
check_email_deliverability | Check why emails from a domain might land in spam. Looks up the domain's public DNS: SPF, DKIM (common selectors), DMARC, MX, and whether its mail servers are on major blocklists. Returns a 0-100 score and plain-English issues, worst first. Read-only: it changes nothing and sends no email. DKIM key |