NOTIFICATION_SENDER = options.get('frontend', 'notification_sender')
else:
NOTIFICATION_SENDER = "noreply@example.com"
+NOTIFICATION_BCC = []
+options_to_list(options, NOTIFICATION_BCC, 'frontend', 'notification_bcc')
# 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'ado_mssql'.
DATABASE_ENGINE = options.get('frontend', 'database_engine')