const cheerio = require('cheerio');
// this is an example data html - switch this to the email body -> _z.data.body
const data = `<div>
<span class="firstName">Max</span>
<span class="lastName">Muster</span>
</div>`;
var $ = cheerio.load(data);
const firstName = $('.firstName').text();
const lastName = $('.lastName').text();
console.log(firstName, lastName);
// -> "Max", "Muster"