def send_mail_with_bcc(subject, html_message, recipient_list, fail_silently=False):
def divide_group(lst, k):
return [lst[i:i+k] for i in range(0, len(lst), k)]
for grp in divide_group(recipient_list, 100):
try:
connection = get_connection(
username=None,
password=None,
fail_silently=fail_silently,
)
mail = EmailMultiAlternatives(subject, bcc=grp, connection=connection)
mail.attach_alternative(html_message, 'text/html')
mail.send()
except:
traceback.print_exc()
time.sleep(30)
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