Raw Source
androidek / zoho mail redirect 

// ==UserScript==
// @name         zoho mail redirect
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Redirect from https://www.zoho.com/mail/ to https://accounts.zoho.eu/
// @author       Tomasz Pludowski
// @match        https://www.zoho.com/mail/*
// @grant        none
// @license      MIT
// ==/UserScript==

$(function(){
    document.getElementsByClassName("zgh-login")[0].click();
});