Nodemailer with Mailgun to send email templates

mail.js

"use strict";

let nodemailer = require('nodemailer');
let jade       = require('jade');
let mailgunTransport = require('nodemailer-mailgun-transport');
let nodeTemplates = require('email-templates');
let path  = require('path');
let nconf = require('nconf');
let co    = require('co');

let Account = require('../models/account.js');

nconf.argv().env().file({file: __dirname + '/../config.json'});

class Mailer {

    constructor() {
        let config  = nconf.get('mail');
        this.mailer  = nodemailer.createTransport(mailgunTransport(config));
        this.sender  = config.email;
        this.site    = nconf.get('url');
    }
    sendMail(config) {

        this.mailer.sendMail(config, function(error, response) {
                            if (error) {
                                 console.log(error);
                            } else {
                                 console.log('Message sent');
                            }
                          });
    }
    sendResetPassword(token) {
        let resetTemplate = path.resolve(__dirname, '..', 'mail-templates','reset-password.jade');
        // not sure if this is good practice but this function call doesn't return anything as it is sending email on it's own;
          Account
              .findOne({ _id: token.account_id })
              .then((user) => {

                      let msg = {
                            link : this.site + '/reset-password/' + token.code,
                            email: user.attributes.email
                      }

                      let html = jade.compileFile(resetTemplate);
                          html = html(msg);

                       let config = {
                          to: user.attributes.email,
                          from: this.sender,
                          subject: 'Password Reset',
                          html : html
                       };

                       this.sendMail(config);
            });
  }

};

module.exports = Mailer;

reset-password.jade

doctype html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"
head
  meta(content='text/html; charset=utf-8', http-equiv='Content-Type')
  body(style='padding: 0; width: 100% !important; -webkit-text-size-adjust: 100%; margin: 0; -ms-text-size-adjust: 100%;', marginheight='0', marginwidth='0')
    center
      table(cellpadding='8', cellspacing='0', style='*width: 540px; padding: 0; width: 100% !important; background: #ffffff; margin: 0; background-color: #ffffff;', border='0')
        tr
          td(valign='top')
            table(cellpadding='0', cellspacing='0', style='border-radius: 6px; -webkit-border-radius: 6px; border: 1px #c0c0c0 solid; -moz-border-radius: 6px;', border='0', align='center')
              tr
                td(colspan='3', height='6')
              tr(style='line-height: 0px;')
                td(width='100%', style='font-size: 0px;', align='center', height='1')
                  img(width='40px', style='max-height: 110px; width: 70px; *width: 70px; *height: 110px;', alt='', src='http://skeleton-app.jit.su/img/Octocat.png')
              tr
                td
                  table(cellpadding='0', cellspacing='0', style='line-height: 25px;', border='0', align='center')
                    tr
                      td(colspan='3', height='30')
                    tr
                      td(width='36')
                      td(width='454', align='left', style='color: #444444; border-collapse: collapse; font-size: 11pt; font-family: proxima_nova, \'Open Sans\', \'Lucida Grande\', \'Segoe UI\', Arial, Verdana, \'Lucida Sans Unicode\', Tahoma, \'Sans Serif\'; max-width: 454px;', valign='top')
                        //- -----------------------------------------------------------------------------------
                        //- Only Edit Here
                        //- -----------------------------------------------------------------------------------
                        p Hello #{email}!
                        p
                          | It seems you have requested for a password reset
                        p
                          | To perform the reset, please click on the link 
                          a(href!='#{link}') Click Here 
                          | .
                      td(width='36')