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(Unicode C++) Process New Email by Scanning for SendersScan email and save application-selected emails to EML files with unique filenames. 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; // Connect to an IMAP server. // Use TLS imap.put_Ssl(true); imap.put_Port(993); success = imap.Connect(L"imap.someMailServer.com"); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // 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; } // We can choose to fetch UIDs or sequence numbers. bool fetchUids = true; // Fetch messages from the mailbox using a search criteria. // This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag: CkMessageSetW messageSet; success = imap.QueryMbx(L"NEW",fetchUids,messageSet); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // This example will download headers, and then download // the full email for those emails sent from a contact // in our database. // When downloading headers, each email object contains // (obviously) the headers, but the body will be missing. // Also, attachments will not be included. However, it is // possible to get information about the attachments // as well as the complete size of the email. CkEmailBundleW bundle; bool headersOnly = true; success = imap.FetchMsgSet(headersOnly,messageSet,bundle); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // Loop over the email objects... CkEmailW emailHeader; CkEmailW fullEmail; int i = 0; int numEmails = bundle.get_MessageCount(); while (i < numEmails) { bundle.EmailAt(i,emailHeader); // The sender's email address and name are available // in the From, FromAddress, and FromName properties. // If the sender is "Chilkat Support <support@chilkatsoft.com", // then the From property will hold the entire string. // the FromName property contains"Chilkat Support", // and the FromAddress property contains "support@chilkatsoft.com" wprintf(L"%s\n",emailHeader.ck_from()); wprintf(L"%s\n",emailHeader.fromAddress()); wprintf(L"%s\n",emailHeader.fromName()); // Assume at this point your code checks to see if the sender // is one in your contacts database. If so, this is // the code you would write to download the entire // email and save it to a file. // The ckx-imap-uid header field is added when // headers are downloaded. This makes it possible // to get the UID from the email object. const wchar_t *uidStr = emailHeader.getHeaderField(L"ckx-imap-uid"); int uid = wcstol(uidStr); success = imap.FetchEmail(false,uid,true,fullEmail); if (success == false) { wprintf(L"%s\n",imap.lastErrorText()); return; } // You can use the GenerateFilename method to // generate a unique filename... const wchar_t *filename = fullEmail.generateFilename(); // SaveEml saves the entire email, including attachments. success = fullEmail.SaveEml(filename); wprintf(L"--\n"); i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); } |
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