diff --git a/src/Yavsc.Abstract/IT/BugReport.cs b/src/Yavsc.Abstract/IT/BugReport.cs
new file mode 100644
index 00000000..51da68d1
--- /dev/null
+++ b/src/Yavsc.Abstract/IT/BugReport.cs
@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Yavsc.ApiControllers
+{
+    public class BugReport {
+        [Required]
+        public string ApiKey { get ; set; }
+        [Required]
+        public string Component { get ; set; }
+        [Required][StringLength(1024)]
+        public string ExceptionObjectJson { get ; set; }
+    }
+}
+
diff --git a/src/Yavsc.Server/NotificationTypes.cs b/src/Yavsc.Server/NotificationTypes.cs
index d3e8d02c..94568868 100644
--- a/src/Yavsc.Server/NotificationTypes.cs
+++ b/src/Yavsc.Server/NotificationTypes.cs
@@ -9,5 +9,7 @@ namespace Yavsc
         public const string PrivateMessageDenied = "deniedpv";
 
         public const string Error = "error";
+
+        public const string BookQuery = "bookQuery";
     }
 }
diff --git a/src/Yavsc/Services/YavscMessageSender.cs b/src/Yavsc/Services/YavscMessageSender.cs
index dd39b380..3100d765 100644
--- a/src/Yavsc/Services/YavscMessageSender.cs
+++ b/src/Yavsc/Services/YavscMessageSender.cs
@@ -57,42 +57,47 @@ namespace Yavsc.Services
                  throw new Exception("No dest id");
             
             try {
-                _logger.LogInformation($"Sending to {string.Join(" ",raa)} using signalR : "+JsonConvert.SerializeObject(ev));
                 List<MessageWithPayloadResponse.Result> results = new List<MessageWithPayloadResponse.Result>();
                 foreach(var clientId in raa) {
                     MessageWithPayloadResponse.Result result = new MessageWithPayloadResponse.Result();
                     result.registration_id = clientId;
 
+                    var user = _dbContext.Users.FirstOrDefault(u=> u.Id == clientId);
+                    if (user==null)
+                    {
+                        response.failure++;
+                        result.error = "no such user.";
+                        continue;
+                    }
+                    if (!user.EmailConfirmed){
+                        response.failure++;
+                        result.error = "user has not confirmed his email address.";
+                        continue;
+                    }
+                    if (user.Email==null){
+                        response.failure++;
+                        result.error = "user has no legacy email address.";
+                        continue;
+                    }
+
+                    var body = ev.CreateBody();
+                    
+                    
+                    
                     var hubClient = hubContext.Clients.User(clientId);
                     if (hubClient == null)
                     {
-                        var user = _dbContext.Users.FirstOrDefault(u=> u.Id == clientId);
-                        if (user==null)
-                        {
-                            response.failure++;
-                            result.error = "no such user.";
-                            continue;
-                        }
-                        if (!user.EmailConfirmed){
-                            response.failure++;
-                            result.error = "user has not confirmed his email address.";
-                            continue;
-                        }
-                        var body = ev.CreateBody();
-
-                        var mailSent = await _emailSender.SendEmailAsync(
+                        _logger.LogDebug($"Sending to {user.UserName} <{user.Email}> : {body}");
+                            var mailSent = await _emailSender.SendEmailAsync(
                             user.UserName,
                             user.Email,
-                             $"{ev.Sender} (un client) vous demande un rendez-vous",
-                            $"{ev.CreateBody()}\r\n"
+                                $"{ev.Sender} (un client) vous demande un rendez-vous",
+                            body+Environment.NewLine
                         );
 
-                        var sent = await _emailSender.SendEmailAsync(ev.Sender, user.Email,
-                            ev.Topic, body
-                        );
-                        if (!sent.Sent) {
-                            result.message_id = sent.MessageId;
-                            result.error = sent.ErrorMessage;
+                        if (!mailSent.Sent) {
+                            result.message_id = mailSent.MessageId;
+                            result.error = mailSent.ErrorMessage;
                             response.failure++;
                         }
                         else 
@@ -102,8 +107,16 @@ namespace Yavsc.Services
                         }
                     }
                     else {
+                        _logger.LogDebug($"Sending signal to {string.Join(" ",raa)}  : "+JsonConvert.SerializeObject(ev));
                         // we assume that each hub connected client will handle this signal
-                        result.message_id=hubClient.notify(ev);
+                        
+                        hubClient.notify(NotificationTypes.BookQuery,
+                          $"# {ev.Sender} (un client) vous demande un rendez-vous\n"+body);
+                        
+                        result.message_id=MimeKit.Utils.MimeUtils.GenerateMessageId(
+                            siteSettings.Authority
+                        );
+                        
                         response.success++;
                     }
                     results.Add(result);
diff --git a/src/Yavsc/wwwroot/js/chat.js b/src/Yavsc/wwwroot/js/chat.js
index 1d8b4adf..5388448b 100644
--- a/src/Yavsc/wwwroot/js/chat.js
+++ b/src/Yavsc/wwwroot/js/chat.js
@@ -31,7 +31,13 @@
   var ChatView = function ($view, full)
   {
 
+
     if (!full) throw "not implemented";
+
+    // build a channel list
+    var chans = Array();
+    var frontRoomName;
+
     var chat = $.connection.chatHub
     // Create a function that the hub can call back to display messages.
     chat.client.addMessage = function (name, room, message) {
@@ -74,17 +80,18 @@
       )
     }
 
-    var activeRoom;
-    var activeRoomName;
     var setActiveRoom = function(room) {
-      if (activeRoom) {
+      var frontRoom;
+      if (frontRoomName!=='') {
+        frontRoom=$("#vroom_"+frontRoomName);
         // TODO animate
-        activeRoom.addClass("hidden");
-        $("sel_"+activeRoomName).addClass("btn-primary");
-      } 
-      activeRoom=$("#vroom_"+room);
-      activeRoomName=room;
-      activeRoom.removeClass("hidden");
+        frontRoom.addClass("hidden");
+        $("#sel_"+frontRoomName).addClass("btn-primary");
+      }
+      frontRoomName = room;
+      frontRoom=$("#vroom_"+room);
+      $("#sel_"+room).removeClass("btn-primary");
+      frontRoom.removeClass("hidden");
     }
 
     var roomlist = $('<div class="roomlist"></div>');
@@ -94,7 +101,7 @@
   
     var buildRoom = function (room)
     {
-      var roomTag =  $("<a>"+room+"</a>").addClass("btn").addClass("btn-primary");
+      var roomTag =  $("<a>"+room+"</a>").addClass("btn");
       roomTag.prop("id","sel_"+room)
       .click(function(){
         setActiveRoom(room);
@@ -124,9 +131,6 @@
       setActiveRoom(room);
     }
 
-    // build a channel list
-    var chans = Array();
-
     $view.data("chans").split(",").forEach(function(chan) {
       buildRoom(chan)
     });