mailforward.models.py

from django.conf import settings
from django.core.mail import EmailMessage
from django.dispatch import receiver
from django.utils import timezone

from anymail.signals import inbound

@receiver(inbound)
def handle_inbound(sender, event, esp_name, **kwargs):
    """Very basic mail forwarding. Ignores attachments."""
    
    event_message = event.message

    me, created = MessageEvent.objects.get_or_create(event_event_id=event.event_id, 
            event_timestamp=event.timestamp,
            event_esp_event=str(event.esp_event),
            msg_envelope_sender=str(event_message.envelope_sender),
            msg_envelope_recipient=str(event_message.envelope_recipient),
            msg_from_email=str(event_message.from_email),
            msg_subject=str(event_message.subject),
            msg_text=str(event_message.text))
    me.msg_date = event_message.date
    me.msg_html = event_message.html
    # Don't forward again if message already exists.
    if not created:
        return 
    
    # see original repo for these methods.
    # Essentially you just need to decide where to forward it to, and send the message there.
    me.forward_to = me.get_forwarding_email()
    if me.forward_to:
        me._forward()
    
    me.save()
    
    return True