> ## Documentation Index
> Fetch the complete documentation index at: /docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Add Suppression

> Add an email address to your organization suppression list.

Manually block an email address to protect your deliverability and sender reputation via the Mailofly API.

### Body Parameters

**email** `string` *required*

The recipient email address to suppress.

**reason** `string` (default: manual)

Suppression reason: `manual`, `bounce`, `complaint`, or `unsubscribe`.

### Response

**data** `object`

**id** `string`

Suppression ID.

**email** `string`

Suppressed email.

**reason** `string`

Reason.

**created\_at** `string`

Timestamp.

```bash cURL theme={null}
curl -X POST https://api.mailofly.com/suppressions \
  -H "Authorization: Bearer mf_live_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "baduser@example.com",
    "reason": "complaint"
  }'
```

```json 201 Created theme={null}
{
  "data": {
    "id": "sup_123",
    "email": "baduser@example.com",
    "reason": "complaint",
    "created_at": "2026-09-11T14:00:00Z"
  }
}
```


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