Fix certificate email not sent (#1434)

django_project/certification/views/certificate.py

@@ -638,7 +638,7 @@ def email_all_attendees(request, **kwargs):
                 '{course_slug}/print/{pk}/\n\n'
                 'Sincerely,\n{convener_firstname} {convener_lastname}'
                 ''.format(**data),
-                course.course_convener.user.email,
+                settings.DEFAULT_FROM_EMAIL,
                 [attendee.email],
                 fail_silently=False,
             )

django_project/core/settings/prod_docker.py

@@ -2,6 +2,7 @@
 """Configuration for production server."""
 # noinspection PyUnresolvedReferences
 from .prod import *  # noqa
+import ast
 import os
 print(os.environ)
 
@@ -28,16 +29,20 @@
 }
 
 
-# See fig.yml file for postfix container definition
-#
-EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
-# Host for sending e-mail.
-EMAIL_HOST = 'smtp'
-# Port for sending e-mail.
-EMAIL_PORT = 25
-# SMTP authentication information for EMAIL_HOST.
-# See fig.yml for where these are defined
-EMAIL_HOST_USER = '[email protected]'
-EMAIL_HOST_PASSWORD = 'docker'
-EMAIL_USE_TLS = False
-EMAIL_SUBJECT_PREFIX = '[PROJECTA]'
+EMAIL_BACKEND = os.environ.get(
+    'EMAIL_BACKEND', 'django.core.mail.backends.smtp.EmailBackend')
+EMAIL_HOST = os.environ.get(
+    'EMAIL_HOST', 'smtp')
+EMAIL_HOST_USER = os.environ.get(
+    'EMAIL_HOST_USER', '[email protected]')
+EMAIL_HOST_PASSWORD = os.environ.get(
+    'EMAIL_HOST_PASSWORD', 'docker')
+EMAIL_PORT = os.environ.get(
+    'EMAIL_PORT', 'True')
+EMAIL_SUBJECT_PREFIX = os.environ.get(
+    'EMAIL_SUBJECT_PREFIX', '[PROJECTA]')
+EMAIL_USE_TLS = ast.literal_eval(os.environ.get(
+    'EMAIL_USE_TLS', 'True'))
+EMAIL_USE_SSL = ast.literal_eval(os.environ.get(
+    'EMAIL_USE_SSL', 'False'))
+