> ## Documentation Index
> Fetch the complete documentation index at: https://projectdiscovery-dependabot-npm-and-yarn-static-docsbuilder-0.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Smtp.Client

# Class: Client

[smtp](/templates/protocols/javascript/modules/smtp).Client

Client is a minimal SMTP client for nuclei scripts.

**`Example`**

```javascript theme={null}
const smtp = require('nuclei/smtp');
const client = new smtp.Client('acme.com', 25);
```

## Table of contents

### Constructors

* [constructor](/templates/protocols/javascript/modules/smtp.Client#constructor)

### Properties

* [host](/templates/protocols/javascript/modules/smtp.Client#host)
* [port](/templates/protocols/javascript/modules/smtp.Client#port)

### Methods

* [IsOpenRelay](/templates/protocols/javascript/modules/smtp.Client#isopenrelay)
* [IsSMTP](/templates/protocols/javascript/modules/smtp.Client#issmtp)
* [SendMail](/templates/protocols/javascript/modules/smtp.Client#sendmail)

## Constructors

### constructor

• **new Client**(`host`, `port`): [`Client`](/templates/protocols/javascript/modules/smtp.Client)

#### Parameters

| Name   | Type     |
| :----- | :------- |
| `host` | `string` |
| `port` | `string` |

#### Returns

[`Client`](/templates/protocols/javascript/modules/smtp.Client)

#### Defined in

smtp.ts:15

## Properties

### host

• **host**: `string`

#### Defined in

smtp.ts:15

***

### port

• **port**: `string`

#### Defined in

smtp.ts:15

## Methods

### IsOpenRelay

▸ **IsOpenRelay**(`msg`): `boolean`

IsOpenRelay checks if a host is an open relay.

#### Parameters

| Name  | Type                                                                      |
| :---- | :------------------------------------------------------------------------ |
| `msg` | [`SMTPMessage`](/templates/protocols/javascript/modules/smtp.SMTPMessage) |

#### Returns

`boolean`

**`Example`**

```javascript theme={null}
const smtp = require('nuclei/smtp');
const message = new smtp.SMTPMessage();
message.From('xyz@projectdiscovery.io');
message.To('xyz2@projectdiscoveyr.io');
message.Subject('hello');
message.Body('hello');
const client = new smtp.Client('acme.com', 25);
const isRelay = client.IsOpenRelay(message);
```

#### Defined in

smtp.ts:47

***

### IsSMTP

▸ **IsSMTP**(): [`SMTPResponse`](/templates/protocols/javascript/modules/smtp.SMTPResponse)

IsSMTP checks if a host is running a SMTP server.

#### Returns

[`SMTPResponse`](/templates/protocols/javascript/modules/smtp.SMTPResponse)

**`Example`**

```javascript theme={null}
const smtp = require('nuclei/smtp');
const client = new smtp.Client('acme.com', 25);
const isSMTP = client.IsSMTP();
log(isSMTP)
```

#### Defined in

smtp.ts:28

***

### SendMail

▸ **SendMail**(`msg`): `boolean`

SendMail sends an email using the SMTP protocol.

#### Parameters

| Name  | Type                                                                      |
| :---- | :------------------------------------------------------------------------ |
| `msg` | [`SMTPMessage`](/templates/protocols/javascript/modules/smtp.SMTPMessage) |

#### Returns

`boolean`

**`Example`**

```javascript theme={null}
const smtp = require('nuclei/smtp');
const message = new smtp.SMTPMessage();
message.From('xyz@projectdiscovery.io');
message.To('xyz2@projectdiscoveyr.io');
message.Subject('hello');
message.Body('hello');
const client = new smtp.Client('acme.com', 25);
const isSent = client.SendMail(message);
log(isSent)
```

#### Defined in

smtp.ts:67