[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [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 1 ```ts // NS1: relaysmtp("foodnstuff"); ``` ## Example 2 ```ts // NS2: ns.relaysmtp("foodnstuff"); ```