django-signals don't send me notification

django-signals don't send me notification

i have next model with signal :
class ParticipantModel(models.Model):
TYPE_USER = (
('O', 'Îíëàéí òðàíñëÿöèÿ'),
('P', 'Ïåðñîíàëüíîå ïðèñóòñòâèå'),
)
name = models.CharField( max_length=256, verbose_name='Èìÿ')
surname = models.CharField(max_length=50, verbose_name='Ôàìèëèÿ')
position = models.CharField(max_length=50, verbose_name='Äîëæíîñòü')
company = models.CharField(max_length=50, verbose_name='Íàçâàíèå
êîìïàíèè')
city = models.CharField(max_length=50, verbose_name='Ãîðîä')
email = models.EmailField(verbose_name='Ýëåêòðî ïî÷òà')
phone = models.CharField(max_length="50", verbose_name="Òåëåôîí")
phonem = models.CharField(max_length="50", verbose_name="Ìîáèëüíûé
òåëåôîí")
www = models.URLField(verbose_name="Ñàéò")
tuser = models.CharField(max_length='250', choices=TYPE_USER,
verbose_name="Ôîðìà âàøåãî ó÷àñòèÿ")
class Meta:
verbose_name = ('Ó÷àñòíèê')
verbose_name_plural = ('Ó÷àñòíèêè')
def send_marketing(sender, instance, created, **kwargs):
if created:
message = "New participant"
subject = "Updates"
from_email = 'bakotech.events@gmail.com'
recipient_list = ('sergey@avetisyan.com.ua')
send_mail(subject, message, from_email, recipient_list)
post_save.connect(send_marketing, sender=ParticipantModel)
My emailbackend configuration :
EMAIL_USE_TLS = True
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_HOST_USER = 'bakotech.events@gmail.com'
EMAIL_HOST_PASSWORD = '********'
EMAIL_PORT = 587
I wants that after model save to database, i have to receive email with
notification about it