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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [NS](./bitburner.ns.md) &gt; [relaysmtp](./bitburner.ns.relaysmtp.md)

## NS.relaysmtp() method

Runs relaySMTP.exe on a server.

**Signature:**

```typescript
relaysmtp(host: string): void;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  host | string | Hostname of the target server. |

**Returns:**

void

## Remarks

RAM cost: 0.05 GB

Runs the relaySMTP.exe program on the target server. relaySMTP.exe must exist on your home computer.

## Example


```js
ns.relaysmtp("foodnstuff");
```