AWS SES send raw email with attachment

index.js

'use strict';
const AWS = require('aws-sdk');
const EMAIL = require('./mail.js');
exports.handler = (event, context, callback) => {
    //HERE YOUR CODE
    EMAIL.send();
    callback(null, ':)');
};

mail.js

"use strict";
const AWS = require('aws-sdk');
const SES = new AWS.SES({
    apiVersion: '2010-12-01'
});

var sender = "diegof.cornejo@gmail.com";
var recipient = "diegof.cornejo@gmail.com";

//This should be your file colors.json
var json = {
    "colors": [{
            "color": "black",
            "category": "hue",
            "type": "primary",
            "code": {
                "rgba": [255, 255, 255, 1],
                "hex": "#000"
            }
        },
        {
            "color": "white",
            "category": "value",
            "code": {
                "rgba": [0, 0, 0, 1],
                "hex": "#FFF"
            }
        },
        {
            "color": "red",
            "category": "hue",
            "type": "primary",
            "code": {
                "rgba": [255, 0, 0, 1],
                "hex": "#FF0"
            }
        },
        {
            "color": "blue",
            "category": "hue",
            "type": "primary",
            "code": {
                "rgba": [0, 0, 255, 1],
                "hex": "#00F"
            }
        },
        {
            "color": "yellow",
            "category": "hue",
            "type": "primary",
            "code": {
                "rgba": [255, 255, 0, 1],
                "hex": "#FF0"
            }
        },
        {
            "color": "green",
            "category": "hue",
            "type": "secondary",
            "code": {
                "rgba": [0, 255, 0, 1],
                "hex": "#0F0"
            }
        },
    ]
};

//Encode your file
var file = new Buffer(JSON.stringify(json)).toString("base64");

// var file = "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"

// var ses_mail = "From: 'Diego Cornejo' <" + email + ">\n";
// ses_mail += "To: " + email + "\n";
// ses_mail += "Subject: AWS SES Attachment Example\n";
// ses_mail += "MIME-Version: 1.0\n";
// ses_mail += "Content-Type: multipart/mixed; boundary=\"NextPart\"\n\n";
// ses_mail += "--NextPart\n";
// ses_mail += "Content-Type: text/html; charset=us-ascii\n\n";
// ses_mail += "This is the body of the email.\n\n";
// ses_mail += "--NextPart\n";
// ses_mail += "Content-Type: text/plain; \n";
// ses_mail += "Content-Disposition: attachment; filename=\"text.txt\"\n";
// ses_mail += "Content-Transfer-Encoding: base64\n\n"
// ses_mail += "VGVzdCBzZW5kcmF3IGVtYWls\n";
// ses_mail += "--NextPart--";

var payload = `From: 'Diego Cornejo' <${sender}>
To: ${recipient}
Subject: AWS SES Attachment
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="NextPart"

--NextPart
Content-Type: text/html; charset=us-ascii

This is the <b>body</b> of the email.

--NextPart
Content-Type: application/json; 
Content-Disposition: attachment; filename="colors.json"
Content-Transfer-Encoding: base64

${file}
--NextPart--`;


module.exports = {
    send: function () {
        var params = {
            RawMessage: {
                Data: payload
            },
            Source: "diegof.cornejo@gmail.com",
        };
        SES.sendRawEmail(params, function (err, data) {
            if (err) console.log(err, err.stack); // an error occurred
            else console.log(data); // successful response
        });
    }
};