Provide logo URL from the backend

openedx/core/djangoapps/ace_common/template_context.py

@@ -6,6 +6,7 @@ Context dictionary for templates that use the ace_common base template.
 from django.conf import settings
 from django.urls import NoReverseMatch, reverse
 
+from lms.djangoapps.branding.api import get_logo_url_for_email
 from common.djangoapps.edxmako.shortcuts import marketing_link
 from openedx.core.djangoapps.theming.helpers import get_config_value_from_site_or_settings
 
@@ -16,7 +17,6 @@ def get_base_template_context(site):
     """
     # When on LMS and a dashboard is available, use that as the dashboard url.
     # Otherwise, use the home url instead.
-    default_logo_url = getattr(settings, 'DEFAULT_EMAIL_LOGO_URL')
     try:
         dashboard_url = reverse('dashboard')
     except NoReverseMatch:
@@ -38,5 +38,5 @@ def get_base_template_context(site):
             'CONTACT_MAILING_ADDRESS', site=site, site_config_name='contact_mailing_address'),
         'social_media_urls': get_config_value_from_site_or_settings('SOCIAL_MEDIA_FOOTER_URLS', site=site),
         'mobile_store_urls': get_config_value_from_site_or_settings('MOBILE_STORE_URLS', site=site),
-        'logo_url': getattr(settings, 'LOGO_URL_PNG', default_logo_url),
+        'logo_url': get_logo_url_for_email(),
     }