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(C) POP3 using HTTP ProxyDemonstrates how to communicate with a POP3 server through an HTTP proxy. Note: This example requires Chilkat v11.0.0 or greater.
#include <C_CkMailMan.h> #include <C_CkEmailBundle.h> #include <C_CkEmail.h> void ChilkatSample(void) { BOOL success; HCkMailMan mailman; HCkEmailBundle bundle; BOOL keepOnServer; BOOL headersOnly; int numBodyLines; HCkEmail email; int i; success = FALSE; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // The mailman object is used for receiving (POP3) // and sending (SMTP) email. mailman = CkMailMan_Create(); // 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. CkMailMan_putHttpProxyHostname(mailman,"www.my-http-proxy.com"); CkMailMan_putHttpProxyPort(mailman,3128); // Important: Your HTTP proxy server must allow non-HTTP // traffic to pass. Otherwise this does not work. // Set the POP3 server's hostname CkMailMan_putMailHost(mailman,"pop.someMailServer.com"); // Set the POP3 login/password. CkMailMan_putPopUsername(mailman,"myLogin"); CkMailMan_putPopPassword(mailman,"myPassword"); // Copy the all email from the user's POP3 mailbox // into a bundle object. The email remains on the server. // // NOTE: All methods that communicate with a POP3 server // will automatically connect and authenticate (i.e. login) // if not already connected. The connection will remain // open after the method call returns so that subsequent // calls do not need to re-establish the connection. // In this case, the connection is established via the HTTP // proxy. bundle = CkEmailBundle_Create(); keepOnServer = TRUE; headersOnly = FALSE; // Irrelevent because we are not downloading headers-only numBodyLines = 0; success = CkMailMan_FetchAll(mailman,keepOnServer,headersOnly,numBodyLines,bundle); if (success == FALSE) { printf("%s\n",CkMailMan_lastErrorText(mailman)); CkMailMan_Dispose(mailman); CkEmailBundle_Dispose(bundle); return; } email = CkEmail_Create(); i = 0; while (i < CkEmailBundle_getMessageCount(bundle)) { CkEmailBundle_EmailAt(bundle,i,email); printf("From: %s\n",CkEmail_ck_from(email)); printf("Subject: %s\n",CkEmail_subject(email)); i = i + 1; } success = CkMailMan_Pop3EndSession(mailman); CkMailMan_Dispose(mailman); CkEmailBundle_Dispose(bundle); CkEmail_Dispose(email); } |
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