Pop | 
public override Task DeleteMessagesAsync( int startIndex, int count, CancellationToken cancellationToken = default )
| Exception | Condition | 
|---|---|
| ArgumentOutOfRangeException | startIndex and count do not specify a valid range of messages. | 
| ObjectDisposedException | The Pop3Client has been disposed. | 
| ServiceNotConnectedException | The Pop3Client is not connected. | 
| ServiceNotAuthenticatedException | The Pop3Client is not authenticated. | 
| OperationCanceledException | The operation was canceled via the cancellation token. | 
| IOException | An I/O error occurred. | 
| Pop3CommandException | The POP3 command failed. | 
| Pop3ProtocolException | A POP3 protocol error occurred. | 
public static void DownloadMessages () { using (var client = new Pop3Client ()) { client.Connect ("pop.gmail.com", 995, SecureSocketOptions.SslOnConnect); client.Authenticate ("username", "password"); var messages = client.DownloadMessages (0, count); foreach (var message in messages) { // write the message to a file message.WriteTo (string.Format ("{0}.msg", i)); } client.DeleteMessages (0, count); client.Disconnect (true); } }