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(C) POP3 using HTTP Proxy

Demonstrates how to communicate with a POP3 server through an HTTP proxy.

Chilkat C/C++ Library Downloads

MS Visual C/C++

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#include <C_CkMailMan.h>
#include <C_CkEmailBundle.h>
#include <C_CkEmail.h>

void ChilkatSample(void)
    {
    HCkMailMan mailman;
    BOOL success;
    HCkEmailBundle bundle;
    int i;
    HCkEmail email;

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

    //  Any string argument automatically begins the 30-day trial.
    success = CkMailMan_UnlockComponent(mailman,"30-day trial");
    if (success != TRUE) {
        printf("Component unlock failed\n");
        CkMailMan_Dispose(mailman);
        return;
    }

    //  To connect through an HTTP proxy, set the HttpProxyHostname
    //  and HttpProxyPort properties to the hostname (or IP address)
    //  and port of the HTTP proxy.  Typical port numbers used by
    //  HTTP proxy servers are 3128 and 8080.
    CkMailMan_putHttpProxyHostname(mailman,"www.my-http-proxy.com");
    CkMailMan_putHttpProxyPort(mailman,3128);

    //  Important:  Your HTTP proxy server must allow non-HTTP
    //  traffic to pass.  Otherwise this does not work.

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

    //  Set the POP3 login/password.
    CkMailMan_putPopUsername(mailman,"myLogin");
    CkMailMan_putPopPassword(mailman,"myPassword");

    //  Copy the all email from the user's POP3 mailbox
    //  into a bundle object.  The email remains on the server.
    // 
    //  NOTE: All methods that communicate with a POP3 server
    //  will automatically connect and authenticate (i.e. login)
    //  if not already connected.  The connection will remain
    //  open after the method call returns so that subsequent
    //  calls do not need to re-establish the connection.
    //  In this case, the connection is established via the HTTP
    //  proxy.
    bundle = CkMailMan_CopyMail(mailman);

    if (bundle == 0 ) {
        printf("%s\n",CkMailMan_lastErrorText(mailman));
        CkMailMan_Dispose(mailman);
        return;
    }

    for (i = 0; i <= CkEmailBundle_getMessageCount(bundle) - 1; i++) {
        email = CkEmailBundle_GetEmail(bundle,i);
        printf("From: %s\n",CkEmail_ck_from(email));
        printf("Subject: %s\n",CkEmail_subject(email));
        CkEmail_Dispose(email);
    }

    CkEmailBundle_Dispose(bundle);

    success = CkMailMan_Pop3EndSession(mailman);


    CkMailMan_Dispose(mailman);

    }

 

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