Update a blocked email sender

email_security.settings.block_senders.edit(, ) -> BlockSenderEditResponse

PATCH/accounts/{account_id}/email-security/settings/block_senders/{pattern_id}

Updates an existing blocked sender pattern. Only provided fields will be modified. The pattern will continue blocking emails until deleted.

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

ParametersExpand Collapse

account_id: str

Identifier.

maxLength32

pattern_id: str

Blocked sender pattern identifier

formatuuid

comments: Optional[str]

maxLength1024

is_regex: Optional[bool]

pattern: Optional[str]

maxLength1024

minLength1

pattern_type: Optional[Literal["EMAIL", "DOMAIN", "IP", "UNKNOWN"]]

Type of pattern matching. Note: UNKNOWN is deprecated and cannot be used when creating or updating policies, but may be returned for existing entries.

One of the following:

"EMAIL"

"DOMAIN"

"IP"

"UNKNOWN"

ReturnsExpand Collapse

class BlockSenderEditResponse: …

A blocked sender pattern

id: Optional[str]

Blocked sender pattern identifier

formatuuid

comments: Optional[str]

maxLength1024

created_at: Optional[datetime]

formatdate-time

is_regex: Optional[bool]

Deprecatedlast_modified: Optional[datetime]

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

formatdate-time

modified_at: Optional[datetime]

formatdate-time

pattern: Optional[str]

maxLength1024

minLength1

pattern_type: Optional[Literal["EMAIL", "DOMAIN", "IP", "UNKNOWN"]]

Type of pattern matching. Note: UNKNOWN is deprecated and cannot be used when creating or updating policies, but may be returned for existing entries.

One of the following:

"EMAIL"

"DOMAIN"

"IP"

"UNKNOWN"

Update a blocked email sender

import os
from cloudflare import Cloudflare

client = Cloudflare(
    api_token=os.environ.get("CLOUDFLARE_API_TOKEN"),  # This is the default and can be omitted
)
response = client.email_security.settings.block_senders.edit(
    pattern_id="f174e90a-fafe-4643-bbbc-4a0ed4fc8415",
    account_id="023e105f4ecef8ad9ca31a8372d0c353",
)
print(response.id)

{
  "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": "Block sender with email test@example.com",
    "created_at": "2014-01-01T05:20:00.12345Z",
    "is_regex": false,
    "last_modified": "2014-01-01T05:20:00.12345Z",
    "modified_at": "2014-01-01T05:20:00.12345Z",
    "pattern": "test@example.com",
    "pattern_type": "EMAIL"
  }
}

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": "Block sender with email test@example.com",
    "created_at": "2014-01-01T05:20:00.12345Z",
    "is_regex": false,
    "last_modified": "2014-01-01T05:20:00.12345Z",
    "modified_at": "2014-01-01T05:20:00.12345Z",
    "pattern": "test@example.com",
    "pattern_type": "EMAIL"
  }
}