import os from django.utils.translation import ugettext_lazy as _ from django.core.mail import send_mail, EmailMultiAlternatives from django.conf import settings from celery import shared_task from .utils import get_logger logger = get_logger(__file__) def task_activity_callback(self, subject, message, recipient_list, *args, **kwargs): from users.models import User email_list = recipient_list resource_ids = list(User.objects.filter(email__in=email_list).values_list('id', flat=True)) return resource_ids, @shared_task(verbose_name=_("Send email"), activity_callback=task_activity_callback) def send_mail_async(*args, **kwargs): """ Using celery to send email async You can use it as django send_mail function Example: send_mail_sync.delay(subject, message, from_mail, recipient_list, fail_silently=False, html_message=None) Also, you can ignore the from_mail, unlike django send_mail, from_email is not a required args: Example: send_mail_sync.delay(subject, message, recipient_list, fail_silently=False, html_message=None) """ if len(args) == 3: args = list(args) args[0] = (settings.EMAIL_SUBJECT_PREFIX or '') + args[0] from_email = settings.EMAIL_FROM or settings.EMAIL_HOST_USER args.insert(2, from_email) args = tuple(args) try: return send_mail(*args, **kwargs) except Exception as e: logger.error("Sending mail error: {}".format(e)) @shared_task(verbose_name=_("Send email attachment"), activity_callback=task_activity_callback) def send_mail_attachment_async(subject, message, recipient_list, attachment_list=None): if attachment_list is None: attachment_list = [] from_email = settings.EMAIL_FROM or settings.EMAIL_HOST_USER email = EmailMultiAlternatives( subject=subject, body=message, from_email=from_email, to=recipient_list ) for attachment in attachment_list: email.attach_file(attachment) os.remove(attachment) try: return email.send() except Exception as e: logger.error("Sending mail attachment error: {}".format(e))