C++

Transition from MailMan.MxLookupAll to the Chilkat DNS class

Provides instructions for replacing deprecated MxLookupAll method calls with the Chilkat Dns class. C++

#include <CkMailMan.h>
#include <CkStringArray.h>
#include <CkDns.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    bool success = false;

    CkMailMan mailman;

    //  ...
    //  ...

    const char *emailAddr = "joe@example.com";

    //  ------------------------------------------------------------------------
    //  The MxLookupAll method is deprecated:

    CkStringArray *sa = mailman.MxLookupAll(emailAddr);
    if (mailman.get_LastMethodSuccess() == false) {
        std::cout << mailman.lastErrorText() << "\r\n";
        return;
    }

    //  ...
    //  ...

    delete sa;

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

    CkDns dns;

    CkJsonObject json;

    //  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) {
        std::cout << dns.lastErrorText() << "\r\n";
        return;
    }

    int i = 0;
    int count_i = json.SizeOfArray("answer.mx");
    while (i < count_i) {
        json.put_I(i);
        const char *domain = json.stringOf("answer.mx[i].domain");
        std::cout << domain << "\r\n";
        i = i + 1;
    }
    }