/rest-auth/registration/

SMTPServerDisconnected at /rest-auth/registration/
Connection unexpectedly closed: [Errno 104] Connection reset by peer

EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend"
EMAIL_USE_TLS = True
EMAIL_HOST = 'smtp.beget.ru'
EMAIL_PORT = 2525
EMAIL_HOST_USER = 'order@roseonly.ru'
EMAIL_HOST_PASSWORD = 'password'


SECURE_SSL_REDIRECT = 'true'
os.environ['wsgi.url_scheme'] = 'https'
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')

Internal Server Error: /rest-auth/registration/
Traceback (most recent call last):
  File "/home/k/klimaku9/justforfree.ru/public_html/venv/lib/python2.7/site-packages/django/core/handlers/base.py", line 132, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/k/klimaku9/justforfree.ru/public_html/venv/lib/python2.7/site-packages/django/views/decorators/csrf.py", line 58, in wrapped_view
    return view_func(*args, **kwargs)
  File "/home/k/klimaku9/justforfree.ru/public_html/venv/lib/python2.7/site-packages/django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/rest_framework/views.py", line 456, in dispatch
    response = self.handle_exception(exc)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/rest_framework/views.py", line 453, in dispatch
    response = handler(request, *args, **kwargs)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/rest_framework/generics.py", line 190, in post
    return self.create(request, *args, **kwargs)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/rest_auth/registration/views.py", line 50, in create
    user = self.perform_create(serializer)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/rest_auth/registration/views.py", line 64, in perform_create
    None)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/allauth/account/utils.py", line 183, in complete_signup
    signal_kwargs=signal_kwargs)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/allauth/account/utils.py", line 143, in perform_login
    send_email_confirmation(request, user, signup=signup)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/allauth/account/utils.py", line 310, in send_email_confirmation
    signup=signup)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/allauth/account/models.py", line 62, in send_confirmation
    confirmation.send(request, signup=signup)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/allauth/account/models.py", line 172, in send
    get_adapter(request).send_confirmation_mail(request, self, signup)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/allauth/account/adapter.py", line 420, in send_confirmation_mail
    ctx)
  File "/home/k/klimaku9/.local/lib/python2.7/site-packages/allauth/account/adapter.py", line 141, in send_mail
    msg.send()
  File "/home/k/klimaku9/justforfree.ru/public_html/venv/lib/python2.7/site-packages/django/core/mail/message.py", line 303, in send
    return self.get_connection(fail_silently).send_messages([self])
  File "/home/k/klimaku9/justforfree.ru/public_html/venv/lib/python2.7/site-packages/django/core/mail/backends/smtp.py", line 107, in send_messages
    sent = self._send(message)
  File "/home/k/klimaku9/justforfree.ru/public_html/venv/lib/python2.7/site-packages/django/core/mail/backends/smtp.py", line 123, in _send
    self.connection.sendmail(from_email, recipients, message.as_bytes(linesep='rn'))
  File "/usr/lib/python2.7/smtplib.py", line 728, in sendmail
    self.rset()
  File "/usr/lib/python2.7/smtplib.py", line 467, in rset
    return self.docmd("rset")
  File "/usr/lib/python2.7/smtplib.py", line 392, in docmd
    return self.getreply()
  File "/usr/lib/python2.7/smtplib.py", line 363, in getreply
    + str(e))
SMTPServerDisconnected: Connection unexpectedly closed: [Errno 104] Connection reset by peer