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(.NET Core C#) Process New Email by Scanning for SendersScan email and save application-selected emails to EML files with unique filenames.
// This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. Chilkat.Imap imap = new Chilkat.Imap(); // Connect to an IMAP server. // Use TLS imap.Ssl = true; imap.Port = 993; bool success = imap.Connect("imap.someMailServer.com"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // Login success = imap.Login("myLogin","myPassword"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // Select an IMAP mailbox success = imap.SelectMailbox("Inbox"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } Chilkat.MessageSet messageSet = null; // 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: messageSet = imap.Search("NEW",fetchUids); if (imap.LastMethodSuccess == false) { Debug.WriteLine(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. Chilkat.EmailBundle bundle = null; bundle = imap.FetchHeaders(messageSet); if (imap.LastMethodSuccess == false) { Debug.WriteLine(imap.LastErrorText); return; } // Loop over the email objects... int i = 0; int numEmails = bundle.MessageCount; while (i < numEmails) { Chilkat.Email email = bundle.GetEmail(i); // 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" Debug.WriteLine(email.From); Debug.WriteLine(email.FromAddress); Debug.WriteLine(email.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. string uidStr = email.GetHeaderField("ckx-imap-uid"); int uid = Convert.ToInt32(uidStr); Chilkat.Email fullEmail = null; fullEmail = imap.FetchSingle(uid,true); if (imap.LastMethodSuccess == true) { // You may use the GenerateFilename method to // generate a unique filename... string filename; filename = fullEmail.GenerateFilename(); // SaveEml saves the entire email, including attachments. success = fullEmail.SaveEml(filename); } Debug.WriteLine("--"); i = i + 1; } // Disconnect from the IMAP server. success = imap.Disconnect(); |
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