(Java) IMAP using SOCKS5, SOCKS4 Proxy

Demonstrates how to connect to an IMAP server through a SOCKS5 or SOCKS4 proxy.

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

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

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

    CkImap imap = new CkImap();

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

    // Connect to an IMAP server through the SOCKS proxy.
    // Use TLS
    imap.put_Ssl(true);
    imap.put_Port(993);
    success = imap.Connect("imap.someMailServer.com");
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Login
    success = imap.Login("myLogin","myPassword");
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Get the message IDs of all the emails in the mailbox
    // We can choose to fetch UIDs or sequence numbers.
    boolean fetchUids = true;
    CkMessageSet messageSet = new CkMessageSet();
    success = imap.QueryMbx("ALL",fetchUids,messageSet);
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Fetch the emails into a bundle object:
    CkEmailBundle bundle = new CkEmailBundle();
    boolean headersOnly = false;
    success = imap.FetchMsgSet(headersOnly,messageSet,bundle);
    if (success == false) {
        System.out.println(imap.lastErrorText());
        return;
        }

    // Loop over the bundle and display the FROM and SUBJECT of each.
    CkEmail email = new CkEmail();
    int i = 0;
    int numEmails = bundle.get_MessageCount();
    while (i < numEmails) {

        bundle.EmailAt(i,email);

        System.out.println(email.ck_from());
        System.out.println(email.subject());
        System.out.println("--");
        i = i+1;
        }

    // Disconnect from the IMAP server.
    success = imap.Disconnect();
  }
}