diff --git a/IISMainHandler/handlers/request/AbstractNewMessageHandler.cs b/IISMainHandler/handlers/request/AbstractNewMessageHandler.cs
index 9a976ea..35dcc6c 100644
--- a/IISMainHandler/handlers/request/AbstractNewMessageHandler.cs
+++ b/IISMainHandler/handlers/request/AbstractNewMessageHandler.cs
@@ -18,6 +18,9 @@ namespace FLocal.IISHandler.handlers.request {
 			if(title == "") {
 				throw new FLocalException("Title is empty");
 			}
+			if(title.Length > 100) {
+				throw new FLocalException("Title is too long");
+			}
 			return title;
 		}
 
@@ -26,6 +29,9 @@ namespace FLocal.IISHandler.handlers.request {
 			if(body == "") {
 				throw new FLocalException("Body is empty");
 			}
+			if(body.Length > 30000) {
+				throw new FLocalException("Body is too long");
+			}
 			return body;
 		}