diff --git a/access_controller/auth.py b/access_controller/auth.py
new file mode 100644
index 0000000..be707e1
--- /dev/null
+++ b/access_controller/auth.py
@@ -0,0 +1,19 @@
+from django.contrib.auth.backends import ModelBackend
+from django.contrib.auth.models import User
+
+
+class EmailAuthBackend(ModelBackend):
+    def authenticate(self, request, username=None, password=None, **kwargs):
+        try:
+            user = User.objects.get(email=username)
+            if user.check_password(password):
+                return user
+            return None
+        except User.DoesNotExist:
+            return None
+
+    def get_user(self, user_id):
+        try:
+            return User.objects.get(pk=user_id)
+        except User.DoesNotExist:
+            return None
diff --git a/access_controller/settings.py b/access_controller/settings.py
index febc172..96703b6 100644
--- a/access_controller/settings.py
+++ b/access_controller/settings.py
@@ -135,6 +135,12 @@ ACCOUNT_ACTIVATION_DAYS = 7
 LOGIN_REDIRECT_URL = '/'
 LOGOUT_REDIRECT_URL = '/'
 
+
+#  Название_приложения.Название_файла.Название_класса_обработчика
+AUTHENTICATION_BACKENDS = [
+    'access_controller.auth.EmailAuthBackend',
+]
+
 # Logging system
 # https://docs.djangoproject.com/en/3.1/topics/logging/
 LOGGING = {
diff --git a/access_controller/urls.py b/access_controller/urls.py
index 033d53f..45d815b 100644
--- a/access_controller/urls.py
+++ b/access_controller/urls.py
@@ -14,6 +14,7 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
+from django.contrib.auth.forms import AuthenticationForm
 from django.contrib.auth.views import LoginView
 from django.contrib.auth import views as auth_views
 from django.urls import path, include
@@ -21,13 +22,14 @@ from access_controller import settings
 from access_controller.settings import DEBUG
 from main.views import main_page, profile_page, CustomRegistrationView, work_page, work_hand_over, work_become_engineer, AdminPageView
 
+from main.views import main_page, profile_page, CustomRegistrationView, CustomLoginView
 
 urlpatterns = [
     path('admin/', admin.site.urls, name='admin'),
     path('', main_page, name='index'),
     path('accounts/profile/', profile_page, name='profile'),
     path('accounts/register/', CustomRegistrationView.as_view(), name='registration'),
-    path('accounts/login/', LoginView.as_view(extra_context={}), name='login'),  # TODO add extra context
+    path('accounts/login/', CustomLoginView.as_view(extra_context={}), name='login',),  # TODO add extra context
     path('accounts/', include('django.contrib.auth.urls')),
     path('accounts/', include('django_registration.backends.one_step.urls')),
     path('work/<int:id>', work_page, name="work"),
@@ -59,5 +61,4 @@ urlpatterns += [
         auth_views.PasswordResetCompleteView.as_view(),
         name='password_reset_complete'
     ),
-
 ]
diff --git a/main/extra_func.py b/main/extra_func.py
index b07f242..6227bf1 100644
--- a/main/extra_func.py
+++ b/main/extra_func.py
@@ -20,7 +20,6 @@ class ZendeskAdmin:
         :type token: :class:`str`
         :param password: Пароль администратора, указанный в env
         :type password: :class:`str`
-
     """
 
     credentials: dict = {
@@ -29,6 +28,12 @@ class ZendeskAdmin:
     email: str = os.getenv('ACCESS_CONTROLLER_API_EMAIL')
     token: str = os.getenv('ACCESS_CONTROLLER_API_TOKEN')
     password: str = os.getenv('ACCESS_CONTROLLER_API_PASSWORD')
+    _instance=None
+
+    def __new__(cls, *args, **kwargs):
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
 
     def __init__(self):
         self.create_admin()
@@ -62,7 +67,7 @@ class ZendeskAdmin:
 
     def get_user_image(self, email: str) -> str:
         """
-            Функция **get_user_image** возвращает аватар пользователя по его email
+            Функция **get_user_image** возвращает url-ссылку на аватар пользователя по его email
         """
         user = self.admin.users.search(email).values[0]
         return user.photo['content_url'] if user.photo else None
@@ -78,7 +83,7 @@ class ZendeskAdmin:
             Функция **get_user_org** возвращает организацию, к которой относится пользователь по его email
         """
         user = self.admin.users.search(email).values[0]
-        return user.organization
+        return user.organization.name
 
     def create_admin(self) -> Zenpy:
         """
diff --git a/main/forms.py b/main/forms.py
index 176302e..e69de1d 100644
--- a/main/forms.py
+++ b/main/forms.py
@@ -1,4 +1,5 @@
 from django import forms
+from django.contrib.auth.forms import AuthenticationForm
 from django_registration.forms import RegistrationFormUniqueEmail
 
 from main.models import UserProfile
@@ -6,13 +7,9 @@ from main.models import UserProfile
 
 class CustomRegistrationForm(RegistrationFormUniqueEmail):
     """
-        Форма для регистрации :class:`django_registration.forms.RegistrationFormUniqueEmail`
-        с добавлением bootstrap-класса 'form-control'
-
-        :param password_zen: Поле для ввода пароля от Zendesk
-        :type password_zen: :class:`django.forms.CharField`
+    Форма для регистрации :class:`django_registration.forms.RegistrationFormUniqueEmail`
+    с добавлением bootstrap-класса 'form-control'
     """
-
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         for visible in self.visible_fields():
@@ -31,9 +28,6 @@ class CustomRegistrationForm(RegistrationFormUniqueEmail):
 class AdminPageUsers(forms.Form):
     """
         Форма для установки статуса
-
-        :param password_zen: Поле для ввода пароля от Zendesk
-        :type password_zen: :class:`django.forms.CharField`
     """
 
     users = forms.ModelMultipleChoiceField(
@@ -45,3 +39,21 @@ class AdminPageUsers(forms.Form):
         ),
         label=''
     )
+
+
+class CustomAuthenticationForm(AuthenticationForm):
+    """
+    Форма для авторизации :class:`django.contrib.auth.forms.AuthenticationForm`
+    с изменением поля username на email
+    """
+    username = forms.CharField(
+        label="Электронная почта",
+        widget=forms.EmailInput(),
+    )
+    error_messages = {
+        'invalid_login':
+            "Пожалуйста, введите правильные электронную почту и пароль. Оба поля "
+            "могут быть чувствительны к регистру."
+        ,
+        'inactive': "Аккаунт не активен.",
+    }
diff --git a/main/views.py b/main/views.py
index df99c53..b765bd0 100644
--- a/main/views.py
+++ b/main/views.py
@@ -1,36 +1,27 @@
-from django.shortcuts import render, redirect, reverse
-from django.http import HttpResponseRedirect
+import logging
+import os
 
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.forms import PasswordResetForm
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib.auth.models import User
 from django.contrib.auth.tokens import default_token_generator
-from django.shortcuts import render, get_list_or_404
+from django.contrib.auth.views import LoginView
+from django.core.exceptions import PermissionDenied
+from django.http import HttpResponseRedirect
+from django.shortcuts import get_list_or_404, redirect, reverse, render
 from django.urls import reverse_lazy
 from django.views.generic import FormView
-from django_registration.backends.one_step.views import RegistrationView
-from access_controller.settings import EMAIL_HOST_USER
-from main.extra_func import check_user_exist, update_profile, get_user_organization, \
-    make_engineer, make_light_agent, get_users_list
-
-from django.contrib.auth.models import User
-from main.models import UserProfile
-from main.forms import CustomRegistrationForm, AdminPageUsers
 from django_registration.views import RegistrationView
-from django.contrib.auth.decorators import login_required
-from django.contrib.auth.mixins import LoginRequiredMixin
-from django.core.exceptions import PermissionDenied
-
-import logging
-
 from zenpy import Zenpy
 from zenpy.lib.api_objects import User as ZenpyUser
 
+from access_controller.settings import EMAIL_HOST_USER, ZENDESK_ROLES
+from main.extra_func import check_user_exist, update_profile, get_user_organization, make_engineer, make_light_agent, \
+    get_users_list
+from main.forms import AdminPageUsers, CustomRegistrationForm, CustomAuthenticationForm
 from .models import UserProfile
 
-import os
-from access_controller.settings import ZENDESK_ROLES
-
 
 class CustomRegistrationView(RegistrationView):
     """
@@ -192,3 +183,10 @@ class AdminPageView(FormView, LoginRequiredMixin):
             UserProfile, role='agent')
         context['engineers'], context['light_agents'] = self.count_users(get_users_list())
         return context  # TODO: need to get profile page url
+
+
+class CustomLoginView(LoginView):
+    """
+    Отображение страницы авторизации пользователя
+    """
+    form_class = CustomAuthenticationForm