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(C++) SMTP using HTTP Proxy

Demonstrates how to communicate with an SMTP server via an HTTP proxy.

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

void ChilkatSample(void)
    {
    //  The mailman object is used for sending and receiving email.
    CkMailMan mailman;

    //  Any string argument automatically begins the 30-day trial.
    bool success = mailman.UnlockComponent("30-day trial");
    if (success != true) {
        std::cout << mailman.lastErrorText() << "\r\n";
        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.
    mailman.put_HttpProxyHostname("www.my-http-proxy.com");
    mailman.put_HttpProxyPort(3128);

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

    //  Set the SMTP server.
    mailman.put_SmtpHost("smtp.chilkatsoft.com");

    //  Set the SMTP login/password (if required)
    mailman.put_SmtpUsername("myUsername");
    mailman.put_SmtpPassword("myPassword");

    //  Create a new email object
    CkEmail email;

    email.put_Subject("This is a test");
    email.put_Body("This is a test");
    email.put_From("Chilkat Support <support@chilkatsoft.com>");
    success = email.AddTo("Chilkat Admin","admin@chilkatsoft.com");

    //  Call SendEmail to connect to the SMTP server via the HTTP proxy and send.
    //  The connection (i.e. session) to the SMTP server remains
    //  open so that subsequent SendEmail calls may use the
    //  same connection.
    success = mailman.SendEmail(email);
    if (success != true) {
        std::cout << mailman.lastErrorText() << "\r\n";
        return;
    }

    //  Some SMTP servers do not actually send the email until
    //  the connection is closed.  In these cases, it is necessary to
    //  call CloseSmtpConnection for the mail to be  sent.
    //  Most SMTP servers send the email immediately, and it is
    //  not required to close the connection.  We'll close it here
    //  for the example:
    success = mailman.CloseSmtpConnection();
    if (success != true) {
        std::cout << "Connection to SMTP server not closed cleanly." << "\r\n";
    }

    std::cout << "Mail Sent!" << "\r\n";

    }

 

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