InboxGuards Email Test
InboxGuards Email Test: Email deliverability and security report for a real email you sent. 1) POST /v1/tests (free) for a one-time address + read token. 2) Send one real email to it. 3) GET this with ?test_id= and X-Read-Token. Report: SPF, DKIM (key size, alignment), DMARC, ARC, BIMI, sending IP rDNS + SpamCop, MTA-STS/TLS-RPT, one-click unsubscribe, headers, content, 0-100 score, top fixes. Not-ready/unknown tests: 4xx, never charged.
Not tested: has real-world effectsour last check, 2026-10-10
0 of 0checks answered this week
n/amedian answer time
$0.05listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.inboxguardstest.com/v1/report
| Category | Market data |
|---|---|
| Provider host | api.inboxguardstest.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"headers": {
"X-Read-Token": "<read_token from POST /v1/tests>"
},
"method": "GET",
"queryParams": {
"test_id": "abcdefgh2345"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"headers": {
"additionalProperties": {
"type": "string"
},
"properties": {
"X-Read-Token": {
"description": "read_token returned once by POST /v1/tests",
"type": "string"
}
},
"required": [
"X-Read-Token"
],
"type": "object"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"test_id": {
"description": "test_id from POST /v1/tests",
"pattern": "^[a-z2-7]{12}$",
"type": "string"
}
},
"required": [
"test_id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"analyzed_at": {
"format": "date-time",
"type": "string"
},
"authentication": {
"description": "SPF, DKIM (each signature: domain, selector, result, aligned, key_bits), DMARC (result, policy, alignment), ARC, BIMI",
"properties": {
"arc": {
"type": "object"
},
"bimi": {
"type": "object"
},
"dkim": {
"type": "array"
},
"dmarc": {
"type": "object"
},
"spf": {
"type": "object"
}
},
"type": "object"
},
"cloudflare": {
"description": "Cloudflare's own Authentication-Results and spam score for the inbound hop",
"type": "object"
},
"connection": {
"description": "sending IP and HELO from Cloudflare's trace header, PTR, forward-confirmed rDNS, SpamCop",
"properties": {
"fcrdns": {
"type": "boolean"
},
"helo": {
"type": "string"
},
"ip": {
"type": "string"
},
"ptr": {
"items": {
"type": "string"
},
"type": "array"
},
"source": {
"type": "string"
},
"spamcop": {
"type": "string"
}
},
"type": "object"
},
"findings": {
"items": {
"properties": {
"area": {
"type": "string"
},
"detail": {
"type": "string"
},
"fix": {
"type": "string"
},
"id": {
"type": "string"
},
"severity": {
"enum": [
"pass",
"info",
"warn",
"fail"
],
"type": "string"
},
"title": {
"type": "string"
}
},
"required": [
"id",
"area",
"severity",
"title"
],
"type": "object"
},
"type": "array"
},
"grade": {
"enum": [
"A",
"B",
"C",
"D",
"F"
],
"type": "string"
},
"links": {
"description": "link reputation status per domain (Google Web Risk; 'not_checked' until configured)",
"type": "object"
},
"message": {
"description": "size, From/envelope domains, Message-ID domain, List-Unsubscribe, content facts (no body text)",
"type": "object"
},
"notes": {
"items": {
"type": "string"
},
"type": "array"
},
"partial_errors": {
"items": {
"type": "string"
},
"type": "array"
},
"received_at": {
"format": "date-time",
"type": "string"
},
"schema_version": {
"type": "string"
},
"score": {
"maximum": 100,
"minimum": 0,
"type": "integer"
},
"suggestions": {
"description": "Optional improvements; do not lower the score",
"items": {
"properties": {
"fix": {
"type": "string"
},
"id": {
"type": "string"
},
"title": {
"type": "string"
}
},
"required": [
"id",
"title",
"fix"
],
"type": "object"
},
"type": "array"
},
"test_id": {
"type": "string"