(C++) Download POP3 Email using UIDLs

Demonstrates how to download POP3 email by first getting the complete set of UIDLs and then downloading email by calling FetchByUIDL for each UIDL.

Note: This example requires Chilkat v11.0.0 or greater.

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#include <CkMailMan.h>
#include <CkStringTable.h>
#include <CkEmail.h>

void ChilkatSample(void)
    {
    bool success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // The mailman object is used for receiving (POP3) 
    // and sending (SMTP) email.
    CkMailMan mailman;

    // Set the POP3 server's hostname
    mailman.put_MailHost("pop.example.com");

    // Set the POP3 login/password.
    mailman.put_PopUsername("myLogin");
    mailman.put_PopPassword("myPassword");

    CkStringTable stUidls;
    success = mailman.FetchUidls(stUidls);
    if (success == false) {
        std::cout << mailman.lastErrorText() << "\r\n";
        return;
    }

    CkEmail email;

    int count = stUidls.get_Count();
    int i = 0;
    while (i < count) {
        // Download the full email.
        success = mailman.FetchByUidl(stUidls.stringAt(i),false,0,email);
        if (success == false) {
            std::cout << mailman.lastErrorText() << "\r\n";
            return;
        }

        std::cout << i << "\r\n";
        std::cout << "From: " << email.ck_from() << "\r\n";
        std::cout << "Subject: " << email.subject() << "\r\n";

        i = i + 1;
    }

    mailman.Pop3EndSession();
    }