Python Django发送邮件引发服务器忙错误

我正在尝试从django应用程序发送邮件。但是让下面的401服务器太忙了。我尝试了不同的电子邮件服务器，所有这些都导致了下面的回溯。如何解决此错误。谢谢

Traceback (most recent call last):
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/core/handlers/exception.py", line 34, in inner
api_1  |     response = get_response(request)
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/core/handlers/base.py", line 115, in _get_response
api_1  |     response = self.process_exception_by_middleware(e, request)
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/core/handlers/base.py", line 113, in _get_response
api_1  |     response = wrapped_callback(request, *callback_args, **callback_kwargs)
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
api_1  |     return view_func(*args, **kwargs)
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/views/generic/base.py", line 71, in view
api_1  |     return self.dispatch(request, *args, **kwargs)
api_1  |   File "/usr/local/lib/python3.7/site-packages/rest_framework/views.py", line 505, in dispatch
api_1  |     response = self.handle_exception(exc)
api_1  |   File "/usr/local/lib/python3.7/site-packages/rest_framework/views.py", line 465, in handle_exception
api_1  |     self.raise_uncaught_exception(exc)
api_1  |   File "/usr/local/lib/python3.7/site-packages/rest_framework/views.py", line 476, in raise_uncaught_exception
api_1  |     raise exc
api_1  |   File "/usr/local/lib/python3.7/site-packages/rest_framework/views.py", line 502, in dispatch
api_1  |     response = handler(request, *args, **kwargs)
api_1  |   File "/app/api/views/auth/forgot_password.py", line 37, in post
api_1  |     reset_message = send_mail(subject, html_content, from_email, to, fail_silently=False, html_message=link_message)
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/core/mail/__init__.py", line 60, in send_mail
api_1  |     return mail.send()
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/core/mail/message.py", line 276, in send
api_1  |     return self.get_connection(fail_silently).send_messages([self])
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/core/mail/backends/smtp.py", line 102, in send_messages
api_1  |     new_conn_created = self.open()
api_1  |   File "/usr/local/lib/python3.7/site-packages/django/core/mail/backends/smtp.py", line 62, in open
api_1  |     self.connection = self.connection_class(self.host, self.port, **connection_params)
api_1  |   File "/usr/local/lib/python3.7/smtplib.py", line 254, in __init__
api_1  |     raise SMTPConnectError(code, msg)
api_1  | smtplib.SMTPConnectError: (421, b'Server busy, too many connections')
api_1  | [31/Mar/2020 10:45:23] "POST /api/v1/auth/forgot-password/ HTTP/1.1" 500 14453

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似乎与Django无关的err=>421服务不可用，正在关闭传输通道。您应该共享您的SMTPsetup@Rarblack这是我的电子邮件设置#电子邮件设置email_HOST=config（“email_HOST”，default=“smtp.dummy.net”）email_HOST_USER=config（“email_HOST_USER”，default=”dummy@gmail.com）EMAIL\u HOST\u PASSWORD=config（“EMAIL\u HOST\u PASSWORD”，default=“dummy PASSWORD”）EMAIL\u PORT=config（“EMAIL\u PORT”，default=465）EMAIL\u USE\u TLS=True EMAIL\u USE\u SSL=false似乎与Django无关err=>421服务不可用，正在关闭传输通道。您应该共享您的SMTPsetup@Rarblack这是我的电子邮件设置#电子邮件设置email_HOST=config（“email_HOST”，default=“smtp.dummy.net”）email_HOST_USER=config（“email_HOST_USER”，default=”dummy@gmail.com）EMAIL\u HOST\u PASSWORD=config（“EMAIL\u HOST\u PASSWORD”，default=“dummy PASSWORD”）EMAIL\u PORT=config（“EMAIL\u PORT”，default=465）电子邮件\u使用\u TLS=True电子邮件\u使用\u SSL=False