# Release address from recycle bin

Deletes a member's email address from the email recycle bin. This deletes a member's email address forever, which means the email address cannot be recovered once deleted. This API also allows you to transfer emails from the mailbox to be released to another mailbox.

## Request

Facts |  
---|---
HTTP URL | https://open.feishu.cn/open-apis/mail/v1/user_mailboxes/:user_mailbox_id
HTTP Method | DELETE
Rate Limit | [20 per minute](https://open.feishu.cn/document/ukTMukTMukTM/uUzN04SN3QjL1cDN)
Supported app types | Custom App
Required scopes<br>**To use this API, you must have at least 1 of the listed scopes.** | Retrieve, create, update, and delete user's business email(mail:user_mailbox)

### Request header

Parameter | Type | Required | Description
---|---|---|---
Authorization | string | Yes | `tenant_access_token`<br>**Value format**: "Bearer `access_token`"<br>**Example value**: "Bearer t-7f1bcd13fc57d46bac21793a18e560"<br>[How to choose and get access token](https://open.feishu.cn/document/uAjLw4CM/ugTN1YjL4UTN24CO1UjN/trouble-shooting/how-to-choose-which-type-of-token-to-use)

### Path parameters

Parameter | Type | Description
---|---|---
user_mailbox_id | string | The email address to be released<br>**Example value**: "111111@abc.com"

### Query parameters

Parameter | Type | Required | Description
---|---|---|---
transfer_mailbox | string | No | The email address that receives the transferred emails<br>**Example value**: 888888@abc.com

## Response

### Response body

Parameter | Type | Description
---|---|---
code | int | Error codes, fail if not zero
msg | string | Error descriptions
data | \- | \-

### Response body example
```json
{
    "code": 0,
    "data": {},
    "msg": "release mail address success"
}
```

### Error code

HTTP status code | Error code | Description | Troubleshooting suggestions
---|---|---|---
400 | 1230001 | param is invalid | Check whether the mailbox address is correct.