Get Mailbox Auth Failures

GET

https://api.inboxkit.com/v1/api/email-insights/mailbox/{uid}/auth-failures

Maintainer:Not configured

Inbound messages that did not pass SPF, DKIM or DMARC.

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Path Params

Query Params

Header Params

Responses

🟢200Mailbox Auth Failures retrieved successfully

application/json

Bodyapplication/json

🟠400Bad request

🟠404Mailbox not found

Request Example

Shell

JavaScript

Java

Swift

curl --location 'https://api.inboxkit.com/v1/api/email-insights/mailbox/12b5275a-0fb5-44c8-8b9f-f07368950f0e/auth-failures?period=30&protocol=dkim&warmup=false' \
--header 'X-Workspace-Id: c145ecc0-6487-49c5-bbbe-46748495cfd2' \
--header 'Authorization: Bearer <token>'

Response Example

200 - Success

{
  "success": true,
  "data": {
    "protocol": "dkim",
    "period_days": 30,
    "total_received": 388,
    "total_failing": 37,
    "samples": [
      {
        "received_at": "2026-08-13T09:41:22Z",
        "from": "[email protected]",
        "from_domain": "northwind.com",
        "subject": "Quick question about your outbound team",
        "spf_verdict": "pass",
        "dkim_verdict": "fail",
        "dkim_signing_domain": "northwind.com",
        "dmarc_verdict": "pass",
        "dmarc_action": "none",
        "auth_results_raw": "mx.google.com; spf=pass smtp.mailfrom=northwind.com; dkim=fail [email protected]",
        "provider_message_id": "AAMkAGI2T0",
        "message_id": "<[email protected]>"
      },
      {
        "received_at": "2026-08-12T16:08:54Z",
        "from": "[email protected]",
        "from_domain": "lumen.co",
        "subject": "Following up on last week",
        "spf_verdict": "pass",
        "dkim_verdict": "fail",
        "dkim_signing_domain": "lumen.co",
        "dmarc_verdict": "pass",
        "dmarc_action": "none",
        "auth_results_raw": "mx.google.com; spf=pass smtp.mailfrom=lumen.co; dkim=fail [email protected]",
        "provider_message_id": "AAMkAGI2T1",
        "message_id": "<[email protected]>"
      },
      {
        "received_at": "2026-08-11T11:27:03Z",
        "from": "[email protected]",
        "from_domain": "harborlabs.io",
        "subject": "Worth a short call?",
        "spf_verdict": "pass",
        "dkim_verdict": "fail",
        "dkim_signing_domain": "harborlabs.io",
        "dmarc_verdict": "pass",
        "dmarc_action": "none",
        "auth_results_raw": "mx.google.com; spf=pass smtp.mailfrom=harborlabs.io; dkim=fail [email protected]",
        "provider_message_id": "AAMkAGI2T2",
        "message_id": "<[email protected]>"
      }
    ]
  }
}

Modified at 2026-08-19 16:01:11

Get Mailbox Warmup Stats

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