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SpamFixer Email Deliverability Check

by spamfixer.com in Email & messaging

MCP serverPassing, checked 2 h ago

Why do a domain's emails go to spam? Checks SPF, DKIM, DMARC, MX and blocklists. Free, no login.

https://spamfixer.com/mcp
Tools
1
open to any client
Uptime
100%
last 30 days
Response time
647 ms
740 ms slowest 5%
Last check
Passed
2 h ago, next in 4 h

Scan it nowHow to connect

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "spamfixer-email-deliverability-check": {
      "type": "http",
      "url": "https://spamfixer.com/mcp"
    }
  }
}

1 tools

  • 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…

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTime
2 h agoPassed200740 ms
14 h agoPassed200641 ms
25 h agoPassed200596 ms
36 h agoPassed200672 ms
2 days agoPassed200647 ms
Show 10 older checks
3 days agoPassed200667 ms
3 days agoPassed200654 ms
4 days agoPassed200635 ms
5 days agoPassed200614 ms
5 days agoPassed200652 ms
6 days agoPassed200640 ms
6 days agoPassed200639 ms
7 days agoPassed200673 ms
7 days agoPassed200646 ms
8 days agoPassed200644 ms