EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_HOST_USER = 'my_username@gmail.com'
EMAIL_HOST_PASSWORD = 'my_password'
EMAIL_PORT = '587'
EMAIL_USE_TLS = True
DEFAULT_FROM_EMAIL = 'my_username@gmail.com'
DEFAULT_FEEDBACK_EMAIL = 'my_username@gmail.com'
SERVER_EMAIL = 'my_username@gmail.com'
ACCOUNT_EMAIL_VERIFICATION = 'none'

subject = 'Subject'
template = get_template('accounts/email-templates/email-activation.html').render(Context(ctx))
email = EmailMessage(subject, template, to=[send_to])
        email.content_subtype = "html"
try:
   email.send()

gaierror: [Errno 8] nodename nor servname provided, or not known

127.0.0.1       localhost
255.255.255.255 broadcasthost
::1             localhost