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(.NET Core C#) Fetch Oldest/Newest IMAP EmailEmails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number.
// 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("mail.testemail.net"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // Login success = imap.Login("***","***"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // Select an IMAP mailbox success = imap.SelectMailbox("Inbox"); if (success != true) { Debug.WriteLine(imap.LastErrorText); return; } // After selecting a mailbox, the NumMessages property // contains the number of emails in the selected mailbox. int n; n = imap.NumMessages; if (n > 0) { // The oldest email is always at sequence number 1. bool isUid = false; Chilkat.Email oldestEmail = null; oldestEmail = imap.FetchSingle(1,isUid); if (imap.LastMethodSuccess == true) { // Display the From and Subject Debug.WriteLine(oldestEmail.FromAddress); Debug.WriteLine(oldestEmail.Subject); Debug.WriteLine("--"); } // The newest email is at sequence number N: Chilkat.Email newestEmail = null; newestEmail = imap.FetchSingle(n,isUid); if (imap.LastMethodSuccess == true) { // Display the From and Subject Debug.WriteLine(newestEmail.FromAddress); Debug.WriteLine(newestEmail.Subject); } } // Disconnect from the IMAP server. success = imap.Disconnect(); |
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