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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. Note: This example requires Chilkat v11.0.0 or greater.
bool success = false; // 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; success = imap.Connect("imap.someMailServer.com"); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } // Login success = imap.Login("myLogin","myPassword"); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } // Select an IMAP mailbox success = imap.SelectMailbox("Inbox"); if (success == false) { Debug.WriteLine(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: Chilkat.MessageSet messageSet = new Chilkat.MessageSet(); success = imap.QueryMbx("NEW",fetchUids,messageSet); if (success == 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 = new Chilkat.EmailBundle(); bool headersOnly = true; success = imap.FetchMsgSet(headersOnly,messageSet,bundle); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } // Loop over the email objects... Chilkat.Email emailHeader = new Chilkat.Email(); Chilkat.Email fullEmail = new Chilkat.Email(); int i = 0; int numEmails = bundle.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" Debug.WriteLine(emailHeader.From); Debug.WriteLine(emailHeader.FromAddress); Debug.WriteLine(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. string uidStr = emailHeader.GetHeaderField("ckx-imap-uid"); int uid = Convert.ToInt32(uidStr); success = imap.FetchEmail(false,uid,true,fullEmail); if (success == false) { Debug.WriteLine(imap.LastErrorText); return; } // You can use the GenerateFilename method to // generate a unique filename... string 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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