diff --git a/weboob/backend.py b/weboob/backend.py
index 858f39cde596dd545a2ac94f1717571c299b377c..bca7a4bbe806fe21b1eb4d70f710387e3efcfa5b 100644
--- a/weboob/backend.py
+++ b/weboob/backend.py
@@ -20,8 +20,8 @@
 """
 
 class Backend:
-    def __init__(self, config):
-        self.config = config
+    def __init__(self, weboob):
+        self.weboob = weboob
 
     def hasCaps(self, caps):
         if not isinstance(caps, (list,tuple)):
diff --git a/weboob/backends/aum/backend.py b/weboob/backends/aum/backend.py
index 2904a0b510eb84b25d16cb5d9a80e1afdfa7e775..ac7a6fcdbe27cbe05b346b532ee46c8988845582 100644
--- a/weboob/backends/aum/backend.py
+++ b/weboob/backends/aum/backend.py
@@ -19,7 +19,7 @@
 """
 
 from weboob.backend import Backend
-from weboob.capabilities.messages import IMessages, IMessagesReply
+from weboob.capabilities.messages import ICapMessages, ICapMessagesReply
 
-class AuMBackend(Backend, IMessages, IMessagesReply):
+class AuMBackend(Backend, ICapMessages, ICapMessagesReply):
     pass
diff --git a/weboob/backends/dlfp/backend.py b/weboob/backends/dlfp/backend.py
index c9e5493f40849647c3138ff4b0fe934c1f0984c8..2a955802b7b21053c8305e523425843eb62ba62a 100644
--- a/weboob/backends/dlfp/backend.py
+++ b/weboob/backends/dlfp/backend.py
@@ -19,7 +19,12 @@
 """
 
 from weboob.backend import Backend
-from weboob.capabilities.messages import IMessages, IMessagesReply
+from weboob.capabilities.messages import ICapMessages, ICapMessagesReply, Message
 
-class DLFPBackend(Backend, IMessages, IMessagesReply):
-    pass
+class DLFPBackend(Backend, ICapMessages, ICapMessagesReply):
+    def __init__(self, weboob):
+        Backend.__init__(self, weboob)
+
+    def getNewMessages(self, thread=None):
+        m = Message('threadid', 'msgid', 'Title', 'Sender', signature='Bite bite bite bite', content='Content content\nContent content.')
+        return [m]
diff --git a/weboob/modules.py b/weboob/modules.py
index f39d5dd249a82ffe8f871a5f87c68b4030c409ef..75a23a452c198520d7e409057fde45acb46e6180 100644
--- a/weboob/modules.py
+++ b/weboob/modules.py
@@ -48,8 +48,8 @@ def hasCaps(self, caps):
                 return True
         return False
 
-    def createBackend(self, config):
-        return self.klass(config)
+    def createBackend(self, weboob):
+        return self.klass(weboob)
 
 class ModulesLoader:
     def __init__(self):
diff --git a/weboob/ouiboube.py b/weboob/ouiboube.py
index 6e87487db2a43a81f066b84810fcca5f064dc804..123a2d9e764ec74d3fb67e9686459141f80eacfe 100644
--- a/weboob/ouiboube.py
+++ b/weboob/ouiboube.py
@@ -38,22 +38,22 @@ def __init__(self, app_name, config_file=CONFIG_FILE, data_dir=DATA_DIR):
         self.modules_loader = ModulesLoader()
         self.modules_loader.load()
 
-    def getFrontendConfig(self):
-        return self.config.get('frontends', self.app_name, create=True)
+    def getFrontendConfig(self, default={}):
+        return self.config.get('frontends', self.app_name, default=default)
 
-    def getBackendConfig(self, backend_name):
-        return self.config.get('backends', backend_name, create=True)
+    def getBackendConfig(self, backend_name, default={}):
+        return self.config.get('backends', backend_name, default=default)
 
     def loadmodules(self, caps=None, name=None):
         for name, module in self.modules_loader.modules.iteritems():
             if (not caps or module.hasCaps(caps)) and \
                (not name or module.name == name):
-                backend = module.createBackend(self.getBackendConfig(module.name))
+                backend = module.createBackend(self)
                 self.backends[module.name] = backend
 
     def loadmodule(self, modname, instname):
         module = self.modules_loader[modname]
-        self.backends[instname] = module.createBackend(self.getBackendConfig(instname))
+        self.backends[instname] = module.createBackend(self)
 
     def getBackends(self, caps=None):
         if caps is None:
diff --git a/weboob/tools/application.py b/weboob/tools/application.py
index e2d26ff7d0c78fdcb7d51c072b52658354e6e207..074327c8a250643e42a9fec272324455e9ab10c1 100644
--- a/weboob/tools/application.py
+++ b/weboob/tools/application.py
@@ -27,46 +27,46 @@
 
 class BaseApplication(object):
     APPNAME = ''
+    CONFIG = {}
 
     def __init__(self):
         self.weboob = Weboob(self.APPNAME)
-        self.config = self.weboob.getFrontendConfig()
+        self.config = self.weboob.getFrontendConfig(self.CONFIG)
 
-def ask(question, default=None, masked=False, regexp=None):
-    """
-    Ask a question to user.
+    def ask(self, question, default=None, masked=False, regexp=None):
+        """
+        Ask a question to user.
 
-    @param question  text displayed (str)
-    @param default  optional default value (str)
-    @param masked  if True, do not show typed text (bool)
-    @param regexp  text must match this regexp (str)
-    @return  entered text by user (str)
-    """
+        @param question  text displayed (str)
+        @param default  optional default value (str)
+        @param masked  if True, do not show typed text (bool)
+        @param regexp  text must match this regexp (str)
+        @return  entered text by user (str)
+        """
 
-    correct = False
+        correct = False
 
-    if not default is None:
-        question = '%s [%s]' % (question, default)
+        if not default is None:
+            question = '%s [%s]' % (question, default)
 
-    while not correct:
+        while not correct:
+            sys.stdout.write('%s: ' % (question))
 
-        sys.stdout.write('%s: ' % (question))
+            if masked:
+                attr = termios.tcgetattr(sys.stdin)
+                tty.setcbreak(sys.stdin)
 
-        if masked:
-            attr = termios.tcgetattr(sys.stdin)
-            tty.setcbreak(sys.stdin)
+            line = sys.stdin.readline().split('\n')[0]
 
-        line = sys.stdin.readline().split('\n')[0]
+            if not line and not default is None:
+                line = default
 
-        if not line and not default is None:
-            line = default
+            if masked:
+                termios.tcsetattr(sys.stdin, termios.TCSAFLUSH, attr)
+                sys.stdout.write('\n')
 
-        if masked:
-            termios.tcsetattr(sys.stdin, termios.TCSAFLUSH, attr)
-            sys.stdout.write('\n')
+            correct = not regexp or re.match(regexp, str(line))
 
-        correct = not regexp or re.match(regexp, str(line))
-
-    return line
+        return line