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(Unicode C) SMTP using SOCKS5, SOCKS4 ProxyDemonstrates how to communicate with an SMTP server via a SOCKS4 or SOCKS5 proxy.
#include <C_CkMailManW.h> #include <C_CkEmailW.h> void ChilkatSample(void) { HCkMailManW mailman; HCkEmailW email; BOOL success; // 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 = CkMailManW_Create(); // 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: CkMailManW_putSocksHostname(mailman,L"www.mysocksproxyserver.com"); CkMailManW_putSocksPort(mailman,1080); CkMailManW_putSocksUsername(mailman,L"myProxyLogin"); CkMailManW_putSocksPassword(mailman,L"myProxyPassword"); // Set the SOCKS version to 4 or 5 based on the version // of the SOCKS proxy server: CkMailManW_putSocksVersion(mailman,5); // Note: SOCKS4 servers only support usernames without passwords. // SOCKS5 servers support full login/password authentication. // Set the SMTP server. CkMailManW_putSmtpHost(mailman,L"smtp.chilkatsoft.com"); // Set the SMTP login/password (if required) CkMailManW_putSmtpUsername(mailman,L"myUsername"); CkMailManW_putSmtpPassword(mailman,L"myPassword"); // Create a new email object email = CkEmailW_Create(); CkEmailW_putSubject(email,L"This is a test"); CkEmailW_putBody(email,L"This is a test"); CkEmailW_putFrom(email,L"Chilkat Support <support@chilkatsoft.com>"); success = CkEmailW_AddTo(email,L"Chilkat Admin",L"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 = CkMailManW_SendEmail(mailman,email); if (success != TRUE) { wprintf(L"%s\n",CkMailManW_lastErrorText(mailman)); CkMailManW_Dispose(mailman); CkEmailW_Dispose(email); 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 = CkMailManW_CloseSmtpConnection(mailman); if (success != TRUE) { wprintf(L"Connection to SMTP server not closed cleanly.\n"); } wprintf(L"Mail Sent!\n"); CkMailManW_Dispose(mailman); CkEmailW_Dispose(email); } |
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