function saveFile(name, blob) {
    var w = window;
    var d = w.document;
    var link = d.createElement('a');
    link.setAttribute('download', name);
    link.href = w.URL.createObjectURL(blob);
    link.onclick = function () {
        d.body.removeChild(this);
    };
    link.style.display = 'none';
    d.body.appendChild(link);
    link.click();
}

function grab(start, stop, onfinish) {
    var data = [];
    var path = location.href + '&filter=0&start=';
    var _grab;
    (_grab = function (i) {
        var xhr = new XMLHttpRequest;
        xhr.open('GET', path + i * 10);
        xhr.onload = function () {
            console.log(this.response);
            data = data.concat(this.response.match(/([\w-.]+@(mail|inbox|bk|list)\.ru)/g));
            if (i < stop) {
                return setTimeout(_grab, 5000, ++i);
            }
            onfinish(data);
        };
        xhr.send();
    })(start);
}

grab(0, 35, function (emails) { saveFile('emails.txt', new Blob([emails.join('\n')])); });