ComponentPro UltimateMail

      Downloading unread messages

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      To download unread messages, you will need to call the ListMessages with ImapCriterion.DontHaveFlags(ImapMessageFlags.Seen). The following code takes advantage of the method to download all unread messages from an IMAP account:

      using System;
      using ComponentPro.Net;
      using ComponentPro.Net.Mail;
      // IMAP server information. 
      const string serverName = "myserver";
      const string user = "";
      const string password = "mytestpassword";
      const int port = 993;
      const SslSecurityMode securityMode = SslSecurityMode.Implicit;
      // Create a new instance of the Imap class.
      Imap client = new Imap();
      // Connect to the server.
      client.Connect(serverName, port, securityMode);
      // Login to the server.
      client.Authenticate(user, password);
      // Select 'INBOX' mailbox
      // Get the message list.
      Console.WriteLine("Getting message list...");
      ImapMessageCollection list = client.ListMessages(ImapEnvelopeParts.UniqueId | ImapEnvelopeParts.Size, ImapCriterion.DontHaveFlags(ImapMessageFlags.Seen));
      // Get messages. 
      for (int i = 0; i < list.Count; i++)
          ImapMessage imapMessage = list[i];
          // Download the message to an instance of the MailMessage class. 
          MailMessage msg = client.DownloadMailMessage(imapMessage.UniqueId);
          // Display some information about it. 
          Console.WriteLine("Size: " + imapMessage.Size);
          Console.WriteLine("Number of attachments: " + msg.Attachments.Count);
          Console.WriteLine("Number of header name value pairs: " + msg.Headers.Count);
      // Close the connection.