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(Unicode C++) IMAP STARTTLS (Explicit TLS/SSL)The StartTls property is set to force the Connect method to automatically convert an connection to TLS/SSL via the STARTTLS IMAP command. This is also known as "explicit TLS/SSL" as opposed to "implicit TLS/SSL". With implicit TLS/SSL, the IMAP client connects on the well-known IMAP TLS/SSL port 993 and the secure channel is immediately established. With explicit TLS/SSL, the IMAP client connects on the typical non-secure port (143 usually) and the converts the connection via the STARTTLS command. Note: This example requires Chilkat v11.0.0 or greater.
#include <CkImapW.h> #include <CkMessageSetW.h> #include <CkEmailBundleW.h> #include <CkEmailW.h> void ChilkatSample(void) { bool success = false; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkImapW imap; // Indicate that STARTTLS should be used to convert // to a secure TLS/SSL connection: imap.put_StartTls(true); imap.put_Port(143); // Connect to an IMAP server and convert the connection // to TLS/SSL via STARTTLS. success = imap.Connect(L"imap.example.com"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // The remainder of this example is the same as for // non-TLS/SSL... // Login success = imap.Login(L"myLogin",L"myPassword"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Select an IMAP mailbox success = imap.SelectMailbox(L"Inbox"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Get the message IDs of all the emails in the mailbox bool fetchUids = true; CkMessageSetW messageSet; success = imap.QueryMbx(L"ALL",fetchUids,messageSet); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Fetch the emails into a bundle object: CkEmailBundleW bundle; bool headersOnly = false; success = imap.FetchMsgSet(headersOnly,messageSet,bundle); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Loop over the bundle and display the FROM and SUBJECT of each. CkEmailW email; int i = 0; int numEmails = bundle.get_MessageCount(); while (i < numEmails) { bundle.EmailAt(i,email); wprintf(L"%s\n",email.ck_from()); wprintf(L"%s\n",email.subject()); wprintf(L"--\n"); i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); } |
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