OZG-6180 set replay option to FORBIDDEN

bescheid-manager/src/main/java/de/ozgcloud/bescheid/nachricht/NachrichtService.java

@@ -20,7 +20,7 @@ public class NachrichtService {
 
 	public static final String FIELD_POSTFACH_ID = "postfachId";
 	public static final String FIELD_REPLY_OPTION = "replyOption";
-	public static final String REPLY_OPTION = "POSSIBLE";
+	public static final String REPLY_OPTION = "FORBIDDEN";
 	public static final String FIELD_SUBJECT = "subject";
 	public static final String FIELD_MAIL_BODY = "mailBody";
 	public static final String FIELD_ATTACHMENTS = "attachments";