## Update a blocked email sender

`client.emailSecurity.settings.blockSenders.edit(stringpatternId, BlockSenderEditParamsparams, RequestOptionsoptions?): 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.

### Parameters

- `patternId: string`

  Blocked sender pattern identifier

- `params: BlockSenderEditParams`

  - `account_id: string`

    Path param: Identifier.

  - `comments?: string | null`

    Body param

  - `is_regex?: boolean`

    Body param

  - `pattern?: string`

    Body param

  - `pattern_type?: "EMAIL" | "DOMAIN" | "IP" | "UNKNOWN"`

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

    - `"EMAIL"`

    - `"DOMAIN"`

    - `"IP"`

    - `"UNKNOWN"`

### Returns

- `BlockSenderEditResponse`

  A blocked sender pattern

  - `id?: string`

    Blocked sender pattern identifier

  - `comments?: string | null`

  - `created_at?: string`

  - `is_regex?: boolean`

  - `last_modified?: string`

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

  - `modified_at?: string`

  - `pattern?: string`

  - `pattern_type?: "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.

    - `"EMAIL"`

    - `"DOMAIN"`

    - `"IP"`

    - `"UNKNOWN"`

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const response = await client.emailSecurity.settings.blockSenders.edit(
  'f174e90a-fafe-4643-bbbc-4a0ed4fc8415',
  { account_id: '023e105f4ecef8ad9ca31a8372d0c353' },
);

console.log(response.id);
```

#### Response

```json
{
  "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"
  }
}
```