Registration Log Trace

2020-07-19 09:14:27,275 INFO 28351 [audit] models.py:2245 - Login success - user.id: 5
2020-07-19 09:14:27,327 INFO 6621 [celery.worker.strategy] strategy.py:60 - Received task: student.tasks.send_activation_email[54482462-5fa1-4632-a756-ec266a2dc819]
2020-07-19 09:14:27,331 ERROR 7114 [edx.celery.task] tasks.py:48 - Unable to send activation email to user from "tce.sateesh@zoho.com" to "tce.sateesh+1@gmail.com"
Traceback (most recent call last):
  File "/opt/bitnami/apps/edx/edx-platform/common/djangoapps/student/tasks.py", line 23, in send_activation_email
    mail.send_mail(subject, message, from_address, [dest_addr], fail_silently=False)
  File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/mail/__init__.py", line 62, in send_mail
    return mail.send()
  File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/mail/message.py", line 348, in send
    return self.get_connection(fail_silently).send_messages([self])
  File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/mail/backends/smtp.py", line 111, in send_messages
    sent = self._send(message)
  File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/django/core/mail/backends/smtp.py", line 127, in _send
    self.connection.sendmail(from_email, recipients, message.as_bytes(linesep='\r\n'))
  File "/opt/bitnami/python/lib/python2.7/smtplib.py", line 724, in sendmail
    self.ehlo_or_helo_if_needed()
  File "/opt/bitnami/python/lib/python2.7/smtplib.py", line 543, in ehlo_or_helo_if_needed
    if not (200 <= self.ehlo()[0] <= 299):
  File "/opt/bitnami/python/lib/python2.7/smtplib.py", line 414, in ehlo
    self.putcmd(self.ehlo_msg, name or self.local_hostname)
  File "/opt/bitnami/python/lib/python2.7/smtplib.py", line 342, in putcmd
    self.send(str)
  File "/opt/bitnami/python/lib/python2.7/smtplib.py", line 334, in send
    raise SMTPServerDisconnected('please run connect() first')
SMTPServerDisconnected: please run connect() first
2020-07-19 09:14:27,334 ERROR 6621 [celery.worker.job] log.py:282 - Task student.tasks.send_activation_email[54482462-5fa1-4632-a756-ec266a2dc819] raised unexpected: Exception()
Traceback (most recent call last):
  File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/celery/app/trace.py", line 240, in trace_task
    R = retval = fun(*args, **kwargs)
  File "/opt/bitnami/apps/edx/venvs/edxapp/lib/python2.7/site-packages/celery/app/trace.py", line 438, in __protected_call__
    return self.run(*args, **kwargs)
  File "/opt/bitnami/apps/edx/edx-platform/common/djangoapps/student/tasks.py", line 50, in send_activation_email
    raise Exception
Exception