function sendEmail(val1, val2, val3) {
    val1 = prompt('Prompt2 for ' + val2 + ':', val1);
    console.log('Val1: '+ val1);
    if(val1) {
        let xhr = $.ajax({
            method: 'POST',
            url: 'send-email',
            // Tried with and without stringify
            data: JSON.stringify({param1: val1, param2: val2, param3: val3}),
            contentType: "application/json; charset=utf-8",
            dataType: 'text',
            cache: false,
            traditional: true
        }).done(function(){
            alert("Sent!");
        }).fail(function(data){
            console.log("Info:");
            console.log(xhr.responseText);
            alert('Failed to send');
        });
    }
    console.log("Ret false?");
    return false;
};