diff --git a/extensions/amavis_quarantine/__init__.py b/extensions/amavis_quarantine/__init__.py
index 8bdda7bda..a33cfc2bd 100644
--- a/extensions/amavis_quarantine/__init__.py
+++ b/extensions/amavis_quarantine/__init__.py
@@ -96,13 +96,16 @@ def menu(target, user):
 def create_user_record(user, mailbox):
     from models import Users
 
-    u = Users()
-    u.email = mailbox.full_address
-    u.fullname = mailbox.user.fullname
-    u.local = "1"
-    u.priority = 7
-    u.policy_id = 1
-    u.save()
+    try:
+        Users.objects.get(email=mailbox.full_address)
+    except Users.DoesNotExist:
+        u = Users()
+        u.email = mailbox.full_address
+        u.fullname = mailbox.user.fullname
+        u.local = "1"
+        u.priority = 7
+        u.policy_id = 1
+        u.save()
 
 @events.observe("ModifyMailbox")
 def modify_user_record(mailbox, oldmailbox):
diff --git a/extensions/webmail/static/js/webmail.js b/extensions/webmail/static/js/webmail.js
index 209cdb62f..84eb22441 100644
--- a/extensions/webmail/static/js/webmail.js
+++ b/extensions/webmail/static/js/webmail.js
@@ -71,6 +71,8 @@ Webmail.prototype = {
             $.proxy(this.compose_loader, this));
         $(document).on("click", "a[name*=mark-]",
             $.proxy(this.send_mark_request, this));
+        $(document).on("click", "a[name=compress]",
+            $.proxy(this.compress, this));
         $(document).on("click", "a[name=empty]",
             $.proxy(this.empty, this));
         $(document).on("click", "#bottom-bar a",
@@ -167,7 +169,7 @@ Webmail.prototype = {
 
     go_back_to_listing: function() {
         var curmb = this.get_current_mailbox();
-        this.navobject.delparam("mailid").delparam("mbox")
+        this.navobject.reset()
             .setparams({action: "listmailbox", mbox: curmb});
         this.restore_nav_params();
         this.navobject.update();
@@ -189,10 +191,16 @@ Webmail.prototype = {
     },
 
     page_update: function(response) {
-        /*if (this.gspinner) {
-            this.gspinner.hide();
-        }*/
+        var curmb = this.get_current_mailbox();
+
         $(window).unbind("resize");
+        this.enable_mb_actions();
+        for (var idx in this.options.ro_mboxes) {
+            if (curmb == this.options.ro_mboxes[idx]) {
+                this.enable_mb_actions(false);
+                break;
+            }
+        }
         if (response.menu != undefined) {
             $("#menubar").html(response.menu);
             $("#searchfield").searchbar({navobj: this.navobject});
@@ -622,7 +630,9 @@ Webmail.prototype = {
                     $("body").notify("error", data.respmsg);
                     return;
                 }
-                cb.apply(this, [data]);
+                if (cb != undefined) {
+                    cb.apply(this, [data]);
+                }
             }, this)
         });
     },
@@ -637,8 +647,14 @@ Webmail.prototype = {
         });
     },
 
-    delete_message: function(e) {
+    compress: function(e) {
+        e.preventDefault();
         var $link = $(e.target);
+        this.send_mb_action($link.attr("href"));
+    },
+
+    delete_message: function(e) {
+        var $link = get_target(e, "a");
         e.preventDefault();
         $.ajax({
             url: $link.attr("href"),
@@ -758,13 +774,6 @@ Webmail.prototype = {
         if (!$('li[name="' + curmb + '"]').hasClass("active")) {
             this.load_and_select_mailbox(curmb);
         }
-        this.enable_mb_actions();
-        for (var idx in this.options.ro_mboxes) {
-            if (curmb == this.options.ro_mboxes[idx]) {
-                this.enable_mb_actions(false);
-                break;
-            }
-        }
         this.page_update(resp);
         $("#emails").htmltable();
         this.htmltable = $("#emails").data("htmltable");
diff --git a/extensions/webmail/templatetags/webextras.py b/extensions/webmail/templatetags/webextras.py
index 4478841a2..35a12bb9f 100644
--- a/extensions/webmail/templatetags/webextras.py
+++ b/extensions/webmail/templatetags/webextras.py
@@ -93,7 +93,7 @@ def listmailbox_menu(selection, folder, user):
          "label" : _("Actions"),
          "class" : "btn",
          "menu" : [
-                {"name" : "fdaction",
+                {"name" : "compress",
                  "label" : _("Compress folder"),
                  "url" : "compact/%s/" % folder}
                 ]
diff --git a/extensions/webmail/views.py b/extensions/webmail/views.py
index 07c989522..44ba9a485 100644
--- a/extensions/webmail/views.py
+++ b/extensions/webmail/views.py
@@ -55,7 +55,7 @@ def move(request):
             raise WebmailError(_("Invalid request"))
     mbc = get_imapconnector(request)
     mbc.move(request.GET["msgset"], request.session["mbox"], request.GET["to"])
-    resp = listmailbox(request, request.session["mbox"])
+    resp = listmailbox(request, request.session["mbox"], update_session=False)
     resp.update(status="ok")
     return ajax_simple_response(resp)
 
@@ -297,7 +297,7 @@ def set_nav_params(request):
         elif request.session["navparams"].has_key(p):
             del request.session["navparams"][p]
 
-def listmailbox(request, defmailbox="INBOX"):
+def listmailbox(request, defmailbox="INBOX", update_session=True):
     """Mailbox content listing
 
     Return a list of messages contained in the specified mailbox. The
@@ -309,13 +309,15 @@ def listmailbox(request, defmailbox="INBOX"):
     :return: a dictionnary
     """
     mbox = request.GET.get("mbox", defmailbox)
-    set_nav_params(request)
+    if update_session:
+        set_nav_params(request)
+        request.session["mbox"] = mbox
+
     lst = ImapListing(request.user, request.session["password"],
                       baseurl="?action=listmailbox&mbox=%s&" % mbox,
                       folder=mbox, 
                       elems_per_page=int(parameters.get_user(request.user, "MESSAGES_PER_PAGE")),
                       **request.session["navparams"])
-    request.session["mbox"] = mbox
     return lst.render(request, request.session["pageid"])
 
 def render_compose(request, form, posturl, email=None, insert_signature=False):