Create trusted email domain

POST/accounts/{account_id}/email-security/settings/trusted_domains

Creates a new trusted domain pattern. Use for partner domains or approved senders that should bypass recent domain registration and similarity checks. Configure whether it prevents recent domain or spoof dispositions.

Security

API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token.

Example:Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY

API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

Example:X-Auth-Email: user@example.com

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

Example:X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194

Accepted Permissions (at least one required)

Cloud Email Security: Write

Path ParametersExpand Collapse

account_id: string

Identifier.

maxLength32

Body ParametersJSONExpand Collapse

is_recent: boolean

Select to prevent recently registered domains from triggering a Suspicious or Malicious disposition.

is_regex: boolean

Whether pattern is a regular expression instead of a literal domain.

is_similarity: boolean

Select for partner or other approved domains that have similar spelling to your connected domains. Prevents listed domains from triggering a Spoof disposition.

pattern: string

The domain pattern to trust, e.g. example.com.

maxLength1024

minLength1

comments: optional string

maxLength1024

ReturnsExpand Collapse

errors: array of object { code, message, documentation_url, source }

code: number

minimum1000

message: string

documentation_url: optional string

source: optional object { pointer }

pointer: optional string

messages: array of object { code, message, documentation_url, source }

code: number

minimum1000

message: string

documentation_url: optional string

source: optional object { pointer }

pointer: optional string

success: true

Whether the API call was successful.

result: optional object { id, comments, created_at, 6 more }

A trusted email domain.

id: optional string

Trusted domain identifier.

formatuuid

comments: optional string

maxLength1024

created_at: optional string

formatdate-time

is_recent: optional boolean

Select to prevent recently registered domains from triggering a Suspicious or Malicious disposition.

is_regex: optional boolean

Whether pattern is a regular expression instead of a literal domain.

is_similarity: optional boolean

Select for partner or other approved domains that have similar spelling to your connected domains. Prevents listed domains from triggering a Spoof disposition.

Deprecatedlast_modified: optional string

Use modified_at instead.

Deprecated, use modified_at instead. End of life: November 1, 2026.

formatdate-time

modified_at: optional string

formatdate-time

pattern: optional string

The domain pattern to trust, e.g. example.com.

maxLength1024

minLength1

Create trusted email domain

curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/email-security/settings/trusted_domains \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
    -d '{
          "is_recent": true,
          "is_regex": false,
          "is_similarity": false,
          "pattern": "example.com",
          "comments": "Trusted partner domain"
        }'

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "success": true,
  "result": {
    "id": "f174e90a-fafe-4643-bbbc-4a0ed4fc8415",
    "comments": "Trusted partner domain",
    "created_at": "2014-01-01T05:20:00.12345Z",
    "is_recent": true,
    "is_regex": false,
    "is_similarity": false,
    "last_modified": "2014-01-01T05:20:00.12345Z",
    "modified_at": "2014-01-01T05:20:00.12345Z",
    "pattern": "example.com"
  }
}

Returns Examples

{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "success": true,
  "result": {
    "id": "f174e90a-fafe-4643-bbbc-4a0ed4fc8415",
    "comments": "Trusted partner domain",
    "created_at": "2014-01-01T05:20:00.12345Z",
    "is_recent": true,
    "is_regex": false,
    "is_similarity": false,
    "last_modified": "2014-01-01T05:20:00.12345Z",
    "modified_at": "2014-01-01T05:20:00.12345Z",
    "pattern": "example.com"
  }
}