Sample code for 30+ languages & platforms
Java

SMTP using HTTP Proxy

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

Chilkat Java Downloads

Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Email;
import com.chilkatsoft.chilkat2.MailMan;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        // The mailman object is used for sending and receiving email.
        MailMan mailman = new MailMan();

        // 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.setHttpProxyHostname("www.my-http-proxy.com");
        mailman.setHttpProxyPort(3128);

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

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

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

        // Create a new email object
        Email email = new Email();

        email.setSubject("This is a test");
        email.setBody("This is a test");
        email.setFrom("Chilkat Support <support@chilkatsoft.com>");
        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.
        try {
            mailman.sendEmail(email);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            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:
        try {
            mailman.closeSmtpConnection();
        } catch (ChilkatException e) {
            System.out.println("Connection to SMTP server not closed cleanly.");
        }

        System.out.println("Mail Sent!");
    }
}