Node.js

Transition from MailMan.MxLookup to Dns.Query

Provides instructions for replacing deprecated MxLookup method calls with the Chilkat Dns class. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var mailman = new chilkat.MailMan();

    //  ...
    //  ...

    var emailAddr = "joe@example.com";

    //  ------------------------------------------------------------------------
    //  The MxLookup method is deprecated:

    var domain = mailman.MxLookup(emailAddr);
    if (mailman.LastMethodSuccess == false) {
        console.log(mailman.LastErrorText);
        return;
    }

    //  ------------------------------------------------------------------------
    //  Do the equivalent using the Chilkat DNS class

    var dns = new chilkat.Dns();

    var json = new chilkat.JsonObject();

    //  This gets all MX domains for an email address.  (Typically one domain.)
    //  The preferred domain will be at index 0 (see below).
    success = dns.Query("MX",emailAddr,json);
    if (success == false) {
        console.log(dns.LastErrorText);
        return;
    }

    var i = 0;
    var count_i = json.SizeOfArray("answer.mx");
    while (i < count_i) {
        json.I = i;
        domain = json.StringOf("answer.mx[i].domain");
        console.log(domain);
        i = i+1;
    }


}

chilkatExample();