Django Signals: advanced patterns When Sending Email on Model Save
I've been working on this all day and I'm refactoring my project and I've been banging my head against this for hours... I'm working with an scenario with Django signals while trying to send an email notification whenever a model instance is saved. I have set up a post_save signal for a model called `Order`, which should trigger an email to the user after an order is created. However, the email is not being sent as expected. I'm using Django 3.2 along with the built-in `send_mail` function from `django.core.mail`. Here’s the relevant code snippet: ```python from django.db.models.signals import post_save from django.dispatch import receiver from django.core.mail import send_mail from .models import Order @receiver(post_save, sender=Order) def send_order_confirmation(sender, instance, created, **kwargs): if created: subject = 'Order Confirmation' message = f'Thank you for your order #{instance.id}' recipient_list = [instance.user.email] send_mail(subject, message, 'from@example.com', recipient_list) ``` When I create a new `Order` instance in my Django shell, the signal seems to trigger because the relevant code runs without any exceptions, but I don't receive any emails. I have double-checked that the user's email address is valid and that the email backend settings in my `settings.py` are configured properly: ```python EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend' EMAIL_HOST = 'smtp.example.com' EMAIL_PORT = 587 EMAIL_USE_TLS = True EMAIL_HOST_USER = 'your_email@example.com' EMAIL_HOST_PASSWORD = 'your_password' ``` Despite this, I still see no emails in the inbox or spam. I also tried using the console email backend to debug if the emails are being generated at all, but I got nothing printed out in the console. Am I missing something or is there some part of the signal handling that could prevent the email from being sent? Any insights or debugging tips would be greatly appreciated! My development environment is macOS. Any ideas what could be causing this? For context: I'm using Python on macOS. Thanks in advance! I recently upgraded to Python 3.10. Cheers for any assistance! I'm working in a Ubuntu 22.04 environment. Any examples would be super helpful.