diff --git a/cvat-core/src/server-proxy.ts b/cvat-core/src/server-proxy.ts
index fa866a16be63..28de4228f0de 100644
--- a/cvat-core/src/server-proxy.ts
+++ b/cvat-core/src/server-proxy.ts
@@ -341,10 +341,11 @@ async function login(username, email, password) {
         // Uncomment this for sending email in request
         // `${encodeURIComponent('email')}=${encodeURIComponent(email)}`,
         `${encodeURIComponent('username')}=${encodeURIComponent(username)}`,
+        `${encodeURIComponent('email')}=${encodeURIComponent(email)}`,
         `${encodeURIComponent('password')}=${encodeURIComponent(password)}`,
     ]
-        .join('&')
-        .replace(/%20/g, '+');
+    .join('&')
+    .replace(/%20/g, '+');
 
     removeToken();
     let authenticationResponse = null;
diff --git a/cvat-ui/src/components/signing-common/cvat-signing-input.tsx b/cvat-ui/src/components/signing-common/cvat-signing-input.tsx
index 83453eceba75..64dbbb5ded39 100644
--- a/cvat-ui/src/components/signing-common/cvat-signing-input.tsx
+++ b/cvat-ui/src/components/signing-common/cvat-signing-input.tsx
@@ -20,6 +20,7 @@ interface SocialAccountLinkProps {
 export enum CVATInputType {
     TEXT = 'text',
     PASSWORD = 'passord',
+    EMAIL = 'email'
 }
 
 function CVATSigningInput(props: SocialAccountLinkProps): JSX.Element {
diff --git a/cvat/apps/iam/serializers.py b/cvat/apps/iam/serializers.py
index e6548ead876a..fd3ff5525101 100644
--- a/cvat/apps/iam/serializers.py
+++ b/cvat/apps/iam/serializers.py
@@ -9,6 +9,8 @@
 from rest_framework import serializers
 from allauth.account import app_settings
 from allauth.account.utils import filter_users_by_email
+from django.contrib.auth.models import User
+import logging
 
 from django.conf import settings
 
@@ -44,42 +46,12 @@ def get_email_options(self):
 
 class LoginSerializerEx(LoginSerializer):
     def get_auth_user_using_allauth(self, username, email, password):
-
-        def is_email_authentication():
-            return settings.ACCOUNT_AUTHENTICATION_METHOD == app_settings.AuthenticationMethod.EMAIL
-
-        def is_username_authentication():
-            return settings.ACCOUNT_AUTHENTICATION_METHOD == app_settings.AuthenticationMethod.USERNAME
-
-        # check that the server settings match the request
-        if is_username_authentication() and not username and email:
-            raise ValidationError(
-                'Attempt to authenticate with email/password. '
-                'But username/password are used for authentication on the server. '
-                'Please check your server configuration ACCOUNT_AUTHENTICATION_METHOD.')
-
-        if is_email_authentication() and not email and username:
-            raise ValidationError(
-                'Attempt to authenticate with username/password. '
-                'But email/password are used for authentication on the server. '
-                'Please check your server configuration ACCOUNT_AUTHENTICATION_METHOD.')
-
-        # Authentication through email
-        if settings.ACCOUNT_AUTHENTICATION_METHOD == app_settings.AuthenticationMethod.EMAIL:
-            return self._validate_email(email, password)
-
-        # Authentication through username
-        if settings.ACCOUNT_AUTHENTICATION_METHOD == app_settings.AuthenticationMethod.USERNAME:
-            return self._validate_username(username, password)
-
-        # Authentication through either username or email
-        if email:
-            users = filter_users_by_email(email)
-            if not users or len(users) > 1:
-                raise ValidationError('Unable to login with provided credentials')
-
-        return self._validate_username_email(username, email, password)
-
+        if username:
+            user= self._validate_username(username=username,password=password)
+            if user is not None:
+                user.email = email
+                user.save()
+            return user
 
 class SocialLoginSerializerEx(SocialLoginSerializer):
     auth_params = serializers.CharField(required=False, allow_blank=True, default='')