Read IMAP Email Headers

Example program showing how to read IMAP mail headers.

// The Chilkat IMAP library is also available as an ActiveX component
// or .NET class with the identical set of methods and properties.

// Read IMAP email headers
void ImapExample(void)
    {
    CkImap imap;
    
    // Any string passed to UnlockComponent automatically begins the 30-day trial.
    if (!imap.UnlockComponent("30-day trial"))
	{
	printf("Failed to unlock component\n");
	imap.SaveLastError("errorLog.xml");
	return;
	}

    // Connect to the IMAP server.
    if (!imap.Connect("localhost"))
	{
	printf("Failed to connect to IMAP server\n");
	imap.SaveLastError("errorLog.xml");
	return;
	}

    // Login to the IMAP server.
    if (!imap.Login("chilkat","chilkat"))
	{
	printf("Failed to login to IMAP server\n");
	imap.SaveLastError("errorLog.xml");
	return;
	}
    
    imap.SelectMailbox("Inbox");

    // Get a message set containing all the message IDs
    // in the selected mailbox.
    CkMessageSet *msgSet = 0;
    msgSet = imap.Search("ALL",true);

    // Fetch all the mail into a bundle object.
    CkEmailBundle *bundle = 0;
    bundle = imap.FetchHeaders(*msgSet);
    if (!bundle)
	{
	printf("Failed to fetch bundle\n");
	imap.SaveLastError("errorLog.xml");
	return;
	}
    delete msgSet;

    // Loop over the bundle and display the From and Subject.
    CkEmail *email = 0;
    int i;

    CkString strFrom;
    CkString strSubject;

    printf("Number of messages = %d\n",bundle->get_MessageCount());

    for (i=0; i<bundle->get_MessageCount(); i++)
	{
	email = bundle->GetEmail(i);
	if (!email) continue;

	email->get_From(strFrom);
	email->get_Subject(strSubject);

	printf("%s: %s\n",strFrom.getString(),strSubject.getString());

	delete email;
	}

    delete bundle;
    
    // Disconnect from the IMAP server.
    imap.Logout();
    imap.Disconnect();

    return;
    }