使用nginx uwsgi時，Flask-Mail的SMTP電子郵件發送失敗，連接被拒絕錯誤

Question

我正在嘗試使用Flask-Mail從燒瓶發送我的應用程序的電子郵件。 當我從開發服務器運行代碼時，我的代碼可以正常工作，但是當我使用uwsgi和nginx部署它時，我將無法再發送電子郵件。 提供錯誤回溯。 我該如何解決這個問題？

Traceback (most recent call last):
  File "./resources/forget_password.py", line 41, in post
    mail.send(msg)
  File "/home/www/shopolot/env/local/lib/python2.7/site-packages/flask_mail.py", line 491, in send
    with self.connect() as connection:
  File "/home/www/shopolot/env/local/lib/python2.7/site-packages/flask_mail.py", line 144, in __enter__
    self.host = self.configure_host()
  File "/home/www/shopolot/env/local/lib/python2.7/site-packages/flask_mail.py", line 158, in configure_host
    host = smtplib.SMTP(self.mail.server, self.mail.port)
  File "/usr/lib/python2.7/smtplib.py", line 256, in __init__
    (code, msg) = self.connect(host, port)
  File "/usr/lib/python2.7/smtplib.py", line 316, in connect
    self.sock = self._get_socket(host, port, self.timeout)
  File "/usr/lib/python2.7/smtplib.py", line 291, in _get_socket
    return socket.create_connection((host, port), timeout)
  File "/usr/lib/python2.7/socket.py", line 571, in create_connection
    raise err
error: [Errno 111] Connection refused

Answer 1

在wsgi配置文件中添加“ threads = 2”之前，我遇到了同樣的麻煩。 而且，幾乎忘了，我使用線程來發送郵件。