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(Java) SMTP using SOCKS5, SOCKS4 ProxyDemonstrates how to communicate with an SMTP server via a SOCKS4 or SOCKS5 proxy.
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[]) { // 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. CkMailMan mailman = new CkMailMan(); // To use a SOCKS4 or SOCKS5 proxy, simply set the following // properties prior to making any calls that communicate with // an SMTP 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 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 = new CkEmail(); email.put_Subject("This is a test"); email.put_Body("This is a test"); email.put_From("Chilkat Support <support@chilkatsoft.com>"); boolean success = email.AddTo("Chilkat Admin","admin@chilkatsoft.com"); // Call SendEmail to connect to the SMTP server 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) { System.out.println(mailman.lastErrorText()); 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) { System.out.println("Connection to SMTP server not closed cleanly."); } System.out.println("Mail Sent!"); } } |
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