EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = '
smtp.sendgrid.net'
EMAIL_PORT = 587
EMAIL_USE_TLS = True
EMAIL_HOST_USER = 'user'
EMAIL_HOST_PASSWORD = 'password'
можете подсказать почему вот так происходит
smtplib.SMTPServerDisconnected: Connection unexpectedly closed
?