Is anyone faced this issue : SSL CERTIFICATE_VERIFY_FAILED certificate verify failed: Hostname mismatch, certificate is not valid for 'smtp.gmail.com'

When deploying an Django full stack app on GoDaddy VPS I came across this error, I have also changed server the the error still persists, my application use Celery for email tasks queues with Redis, I do not know what to do can you guys help me this is really an big problem.

ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'smtp.gmail.com'. (_ssl.c:1147)

"""
Django settings for xxxxxxx project.

Generated by 'django-admin startproject' using Django 4.2.20.

For more information on this file, see
https://docs.djangoproject.com/en/4.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/4.2/ref/settings/
"""

from pathlib import Path
from dotenv import load_dotenv
import os 
from celery.schedules import crontab

load_dotenv()

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/4.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '.......'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True
if os.getenv('DJANGO_ENV') == 'production':
    DEBUG=False

ALLOWED_HOSTS = ['xxxxx.com','127.0.0.1','localhost']

MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'api',
    'react_frontend',
    'rest_framework',
    'celery',
]
AUTH_USER_MODEL = 'api.User'
MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'xxxxxxxxx.custommiddleware.DisableRestCSRFMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    xxxxxxxx.custommiddleware.CheckUserStatusMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

if os.getenv('DJANGO_ENV') == 'production':
    REST_FRAMEWORK = {
        'DEFAULT_RENDERER_CLASSES': (
            'rest_framework.renderers.JSONRenderer',
        ),
    }
    


ROOT_URLCONF = 'xxxxxxxx.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'xxxxxxxx.wsgi.application'


# Database
# https://docs.djangoproject.com/en/4.2/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': os.getenv("DB_NAME"),
        'USER': os.getenv('DB_USER'),
        'PASSWORD': os.getenv('DB_PASSWORD'),
        'HOST': os.getenv('DB_HOST', default='localhost'),
        'PORT': os.getenv('DB_PORT', default='5432'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/4.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/4.2/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/4.2/howto/static-files/
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'static')
STATICFILES_DIRS = [
os.path.join(BASE_DIR, 'react_frontend', 'dist'),
]

# Default primary key field type
# https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_USE_TLS = True
EMAIL_HOST_USER = os.getenv("EMAIL_HOST_USER")
EMAIL_HOST_PASSWORD = os.getenv("EMAIL_HOST_PASSWORD")

REDIS_HOST="localhost"
REDIS_PORT="6379"

CELERY_BROKER_URL = 'redis://localhost:6379/0'
CELERY_RESULT_BACKEND = "redis://localhost:6379/0"
CELERY_ACCEPT_CONTENT = ["json"]
CELERY_TASK_SERIALIZER = "json"
CELERY_RESULT_SERIALIZER = "json"
CELERY_BEAT_SCHEDULE = {
    'send_due_date_reminders_every_minute': {
        'task': 'api.tasks.send_due_date_reminders',
        'schedule': crontab(hour=6, minute=0),  # Every 1 minute crontab(minute='*/1') , crontab(hour=6, minute=0)
    },
    'fetch-case-emails-every-5-mins': {
        'task': 'api.tasks.fetch_case_emails',
        'schedule': crontab(minute='*/5'),
    },
}

Вернуться на верх