(MFC) SOCKS4, SOCKS5 Proxy for POP3

Demonstrates how to communicate with a POP3 server through a SOCKS4 or SOCKS5 proxy.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

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

void ChilkatSample(void)
    {
    CkString strOut;

    // 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;
    bool success;

    // To use a SOCKS4 or SOCKS5 proxy, simply set the following
    // properties prior to making any calls that communicate with
    // a POP3 server:
    // The SOCKS hostname may be a domain name or 
    // IP address:
    mailman.put_SocksHostname("www.mysocksproxyserver.com");
    mailman.put_SocksPort(1080);
    mailman.put_SocksUsername("myProxyLogin");
    mailman.put_SocksPassword("myProxyPassword");
    // Set the SOCKS version to 4 or 5 based on the version
    // of the SOCKS proxy server:
    mailman.put_SocksVersion(5);
    // Note: SOCKS4 servers only support usernames without passwords.
    // SOCKS5 servers support full login/password authentication.

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

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

    // Copy the all email from the user's POP3 mailbox 
    // into a bundle object.  The email remains on the server.
    CkEmailBundle *bundle = mailman.CopyMail();
    if (mailman.get_LastMethodSuccess() == false) {
        strOut.append(mailman.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    int i = 0;
    CkEmail *email = 0;
    while (i < bundle->get_MessageCount()) {
        email = bundle->GetEmail(i);
        strOut.append("From: ");
        strOut.append(email->ck_from());
        strOut.append("\r\n");
        strOut.append("Subject: ");
        strOut.append(email->subject());
        strOut.append("\r\n");
        delete email;
        i = i + 1;
    }

    delete bundle;

    mailman.Pop3EndSession();


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }