Folder structure reconstruction

MailServer/Exceptions/NoMailsInQueueException.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SMTPServer.Exceptions
+{
+    class NoMailsInQueueException : Exception
+    {
+        public NoMailsInQueueException() : base()
+        {
+
+        }
+
+        public NoMailsInQueueException(string message) : base(message)
+        {
+
+        }
+
+        public NoMailsInQueueException(string message, Exception inner) : base(message, inner)
+        {
+
+        }
+    }
+}