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(MFC) SMTP using HTTP ProxyDemonstrates how to communicate with an SMTP server via an HTTP proxy.
#include <CkMailMan.h> #include <CkEmail.h> void ChilkatSample(void) { CkString strOut; // 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; // 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>"); bool 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) { strOut.append(mailman.lastErrorText()); strOut.append("\r\n"); SetDlgItemText(IDC_EDIT1,strOut.getUnicode()); 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) { strOut.append("Connection to SMTP server not closed cleanly."); strOut.append("\r\n"); } strOut.append("Mail Sent!"); strOut.append("\r\n"); SetDlgItemText(IDC_EDIT1,strOut.getUnicode()); } |
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