diff --git a/modoboa/admin/tests/test_alias.py b/modoboa/admin/tests/test_alias.py
index 9bdaf62cd..21397310f 100644
--- a/modoboa/admin/tests/test_alias.py
+++ b/modoboa/admin/tests/test_alias.py
@@ -1,3 +1,5 @@
+"""Admin test cases."""
+
 from django.urls import reverse
 
 from modoboa.core.models import User
@@ -5,8 +7,6 @@ from modoboa.lib.tests import ModoTestCase
 from .. import factories
 from ..models import Alias, AliasRecipient, Domain
 
-"""Admin test cases."""
-
 
 class AliasTestCase(ModoTestCase):
 
diff --git a/modoboa/core/app_settings.py b/modoboa/core/app_settings.py
index 427a62da9..3539e387d 100644
--- a/modoboa/core/app_settings.py
+++ b/modoboa/core/app_settings.py
@@ -82,6 +82,18 @@ class GeneralParametersForm(param_forms.AdminParametersForm):
             "Length of randomly generated passwords.")
     )
 
+    update_password_url = forms.URLField(
+        label=ugettext_lazy("Update password service URL"),
+        initial="",
+        required=False,
+        help_text=ugettext_lazy(
+            "The URL of an external page where users will be able"
+            " to update their password. It applies only to non local"
+            " users, ie. those automatically created after a successful"
+            " external authentication (LDAP, SMTP)."
+        )
+    )
+
     # LDAP specific settings
     ldap_sep = SeparatorField(label=ugettext_lazy("LDAP settings"))
 
diff --git a/modoboa/core/commands/deploy.py b/modoboa/core/commands/deploy.py
index ec2b88f66..d22ce1573 100644
--- a/modoboa/core/commands/deploy.py
+++ b/modoboa/core/commands/deploy.py
@@ -58,7 +58,7 @@ class DeployCommand(Command):
             "--domain", type=str, default=None,
             help="The domain under which you want to deploy modoboa")
         self._parser.add_argument(
-            "--lang", type=str, default="en-us",
+            "--lang", type=str, default="en",
             help="Set the default language"
         )
         self._parser.add_argument(
diff --git a/modoboa/core/templates/core/api_access.html b/modoboa/core/templates/core/api_access.html
index b2bae6495..6215d0ca2 100644
--- a/modoboa/core/templates/core/api_access.html
+++ b/modoboa/core/templates/core/api_access.html
@@ -3,7 +3,7 @@
 <h2>{% trans "API access" %} <small>{% trans "Control your access to Modoboa API" %}</small></h2>
 <hr>
 <div class="alert alert-info">
-  {% url "api-docs:docs-index" as api_doc_url %}
+  {% url "docs-index" as api_doc_url %}
   {% blocktrans with url=api_doc_url trimmed %}
     A documentation of the API is available <strong><a href="{{ url }}" target="_blank">here</a></strong>.
   {% endblocktrans %}
@@ -19,7 +19,7 @@
   </div>
   <br>
 {% endif %}
-<form class="form-inline" method="POST" action="{% url 'core:user_api_access' %}" 
+<form class="form-inline" method="POST" action="{% url 'core:user_api_access' %}"
       id="api_form">
   {% csrf_token %}
   <div class="row">
diff --git a/modoboa/core/templates/core/user_profile.html b/modoboa/core/templates/core/user_profile.html
index c2425f31e..a824dd57f 100644
--- a/modoboa/core/templates/core/user_profile.html
+++ b/modoboa/core/templates/core/user_profile.html
@@ -2,11 +2,20 @@
 
 <h2>{% trans "Profile" %} <small>{% trans "Update your personal information" %}</small></h2>
 <hr>
-<form class="form-horizontal" method="POST" action="{% url 'core:user_profile' %}" 
+<form class="form-horizontal" method="POST" action="{% url 'core:user_profile' %}"
       id="uprefs_form">
   {% csrf_token %}
   {% render_form form %}
-  <div class="form-actions">
+  {% if show_password_url %}
+    <div class="row">
+      <div class="col-sm-offset-4 col-sm-8">
+        <a href="{{ password_url }}" target="_blank">
+          {% trans "Click here to update your password" %}
+        </a>
+      </div>
+    </div>
+  {% endif %}
+  <div class="form-actions" style="margin-top: 15px;">
     <button type="submit" class="btn btn-primary btn-lg col-sm-offset-4 col-sm-4" id="update" name="update">{% trans 'Update' %}</button>
   </div>
 </form>
diff --git a/modoboa/core/tests/test_core.py b/modoboa/core/tests/test_core.py
index c9f34e8be..f2c5f5d9f 100644
--- a/modoboa/core/tests/test_core.py
+++ b/modoboa/core/tests/test_core.py
@@ -154,6 +154,23 @@ class ProfileTestCase(ModoTestCase):
             self.client.login(username="user@test.com", password="Toto1234")
         )
 
+    def test_update_password_url(self):
+        """Check if external is used when defined."""
+        self.set_global_parameter(
+            "update_password_url", "http://update.password")
+        non_local_user = factories.UserFactory(
+            username="user@external.com", groups=("SimpleUsers",),
+            is_local=False
+        )
+        self.client.force_login(non_local_user)
+        url = reverse("core:user_profile")
+        response = self.client.get(url)
+        self.assertContains(response, "http://update.password")
+
+        self.client.force_login(self.account)
+        response = self.client.get(url)
+        self.assertNotContains(response, "http://update.password")
+
 
 class APIAccessFormTestCase(ModoTestCase):
 
diff --git a/modoboa/core/views/user.py b/modoboa/core/views/user.py
index 11f51a02a..8115a0d4e 100644
--- a/modoboa/core/views/user.py
+++ b/modoboa/core/views/user.py
@@ -30,6 +30,12 @@ def profile(request, tplname="core/user_profile.html"):
         sender="profile", user=request.user)
     if True in [result[1] for result in results]:
         update_password = False
+    password_url = request.localconfig.parameters.get_value(
+        "update_password_url")
+    show_password_url = False
+    if not request.user.is_local and password_url:
+        show_password_url = True
+        update_password = False
 
     if request.method == "POST":
         form = ProfileForm(
@@ -51,7 +57,9 @@ def profile(request, tplname="core/user_profile.html"):
     form = ProfileForm(update_password, instance=request.user)
     return render_to_json_response({
         "content": render_to_string(tplname, {
-            "form": form
+            "form": form,
+            "show_password_url": show_password_url,
+            "password_url": password_url
         }, request)
     })
 
diff --git a/modoboa/urls.py b/modoboa/urls.py
index ba3f06e69..4239a412f 100644
--- a/modoboa/urls.py
+++ b/modoboa/urls.py
@@ -61,7 +61,8 @@ schema_view = get_schema_view(
 urlpatterns += [
     path('docs/openapi.json', schema_view, name="openapi_schema"),
     path('docs/api/', login_required(
-            TemplateView.as_view(template_name="swagger-ui.html"))),
+            TemplateView.as_view(template_name="swagger-ui.html")),
+         name="docs-index"),
     path('api/v1/', include("modoboa.urls_api")),
 ]