# Function: createMailboxClient()

```ts
function createMailboxClient(options?): MailboxClient;
```

Defined in: [packages/core/src/network/relays.ts:121](https://github.com/leifriksheim/minca/blob/main/core/src/network/relays.ts#L121)

Mailboxes of every kind: each call goes to the kind its relay's URL names

## Parameters

| Parameter | Type |
| ------ | ------ |
| `options?` | [`MailboxOptions`](https://minca.dev/api/inbox/interfaces/MailboxOptions.md) |

## Returns

[`MailboxClient`](https://minca.dev/api/inbox/interfaces/MailboxClient.md)