diff --git a/~dev_rating/application/classes/Controller/Handler/Sign.php b/~dev_rating/application/classes/Controller/Handler/Sign.php
index 29a30e4b392c625515594fde145fb8cec896a4ad..d8224793672eca4fe424b41d723b4be68bea4944 100644
--- a/~dev_rating/application/classes/Controller/Handler/Sign.php
+++ b/~dev_rating/application/classes/Controller/Handler/Sign.php
@@ -127,14 +127,17 @@ class Controller_Handler_Sign extends Controller_Handler
             $this->fail();
         }
 
-        if (Model_Account::changeEMail($id, $email)) {
-            $session = Session::instance();
-            $session->set('EMail', $email);
-        } else {
-            Log::instance()->add(Log::WARNING, '{0} {1}', array(
-                '{0}' => 'EMAIL_SIGNIN',
-                '{1}' => 'Cannot set email ' . $email . ' for user ' . $globalKey . ' ( ' . $id . ' )',
-            ));
+        $session = Session::instance();
+        if ($session['EMail'] != $email) {
+            if (Model_Account::changeEMail($id, $email)) {
+                $session->set('EMail', $email);
+                $session->set('EMailChanged', true);
+            } else {
+                Log::instance()->add(Log::WARNING, '{0} {1}', array(
+                    '{0}' => 'EMAIL_SIGNIN',
+                    '{1}' => 'Cannot set email ' . $email . ' for user ' . $globalKey . ' ( ' . $id . ' )',
+                ));
+            }
         }
 
         $this->redirect('/');
diff --git a/~dev_rating/application/classes/Controller/Student/Index.php b/~dev_rating/application/classes/Controller/Student/Index.php
index 1a620bc03ff3d630e5b957e98103ec6a23c53f3c..b082419c2f656a03df0a4024d03a60496f3f5fbd 100644
--- a/~dev_rating/application/classes/Controller/Student/Index.php
+++ b/~dev_rating/application/classes/Controller/Student/Index.php
@@ -20,10 +20,15 @@ class Controller_Student_Index extends Controller_Environment_Student
             $list = Controller_Teacher_Index::getShortListOfTeachers($list);
         }
 
+        $session = Session::instance();
+        $EMailChanged = $session['EMailChanged'];
+        $session->set('EMailChanged', false);
+
         $this->twig->set([
             'Marks'          => $marks,
             'Disciplines'    => $disciplines,
             'Teachers'       => $teachers,
+            'EMailChanged'   => $EMailChanged,
         ])->set_filename(static::TWIG_FOLDER . 'index');
     }
 
diff --git a/~dev_rating/application/classes/Controller/Teacher/Index.php b/~dev_rating/application/classes/Controller/Teacher/Index.php
index 7b4dd7140658adcefd4f48078d09597769e240ac..e32d08315e0f1956735a85e9baca54f706e41ea9 100644
--- a/~dev_rating/application/classes/Controller/Teacher/Index.php
+++ b/~dev_rating/application/classes/Controller/Teacher/Index.php
@@ -43,12 +43,17 @@ class Controller_Teacher_Index extends Controller_Environment_Teacher
             }
         }
 
+        $session = Session::instance();
+        $EMailChanged = $session['EMailChanged'];
+        $session->set('EMailChanged', false);
+
         $this->twig->set([
             'Subjects'     => $subjects,
             'Teachers'     => $teachers,
             'Groups'       => $groups,
             'Students'     => $students,
             'DisciplineCreationISAllowed'  => Model_System::loadConfig()->Functional->DisciplineCreation,
+            'EMailChanged' => $EMailChanged,
         ])->set_filename('teacher/index');
     }
 
diff --git a/~dev_rating/application/classes/User.php b/~dev_rating/application/classes/User.php
index c14f6ab825f7ba2892bcf0787cf404a41bbebf69..7b96595ee011f06695c963ee99e7aa0e571caaf1 100644
--- a/~dev_rating/application/classes/User.php
+++ b/~dev_rating/application/classes/User.php
@@ -194,7 +194,8 @@ class User implements ArrayAccess
         $session->set('PasswordHash', $passwordHash);
         $session->set('start_time', time());
         $session->set('RecordBookID', null);
-        
+        $session->set('EMailChanged', false);
+
         foreach ($userInfo as $key => $value)
             $session->set($key, $value);
 
diff --git a/~dev_rating/application/views/student/index.twig b/~dev_rating/application/views/student/index.twig
index 68edf3216405ac5ec4cf1b9a527684dd45dc7393..35cd6ce4aea9d4584eea050e2aaf7ced4db3f017 100644
--- a/~dev_rating/application/views/student/index.twig
+++ b/~dev_rating/application/views/student/index.twig
@@ -59,6 +59,12 @@
 	{{ HTML.script('static/js/student/index.js')|raw }}
 	
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+	{% if EMailChanged %}
+		<script>
+			alert('E-Mail быз изменен');
+		</script>
+	{% endif %}
 {% endblock %}
 
 {% block main_content_classes %}sidePadding{% endblock %}
diff --git a/~dev_rating/application/views/teacher/index.twig b/~dev_rating/application/views/teacher/index.twig
index 9db4345fcbbe768d74f12301bc0610f4da99e8e2..2df525f01a64b5a6a9607a3913b2e92beed96352 100644
--- a/~dev_rating/application/views/teacher/index.twig
+++ b/~dev_rating/application/views/teacher/index.twig
@@ -5,6 +5,12 @@
 	{{ HTML.script('static/js/discipline/disciplineList.js')|raw }}
     {{ HTML.style('static/css/teacher/index.css')|raw }}
     {{ HTML.style('static/css/common/buttons.css')|raw }}
+
+    {% if EMailChanged %}
+        <script>
+            alert('E-Mail быз изменен');
+        </script>
+    {% endif %}
 {% endblock %}
 
 {% macro outputDiscipline(Discipline, Groups, Teachers, Students, DisciplineCreationISAllowed) %}