python – 使用Flask-Mail通过Gmail-socket.gaierr发送电子邮件

我正在使用Flask和Flask-Mail构建一个简单的联系页面.我按照本教程建立了应用程序 – Add a contact page – 现在当我尝试发送消息时,我收到了错误gaierror：[Errno -2]名称或服务未知.我一直在谷歌搜索错误一段时间,并没有在线找到任何类似的例子.我甚至无法弄清楚它找不到的名称或服务.

回溯页面将让我展开一行并执行一些Python代码.它提供了一个dump()函数,它将向我显示所有变量,并且可以在对象上调用它们以查看它们的信息(如果这将有所帮助).

routes.py：

from forms import ContactForm
from flask.ext.mail import Message,Mail


mail = Mail()
app = Flask(__name__)


app.secret_key = 'development key'

app.config['MAIL_SERVER'] = 'smtp.google.com'
app.config['MAIL_PORT'] = 465
app.config['MAIL_USE_SSL'] = True
app.config['MAIL_USERNAME'] = 'email'
app.config['MAIL_PASSWORD'] = 'password'

mail.init_app(app)
@app.route('/contact',methods=['GET','POST'])
def contact():
    form = ContactForm()

    if request.method == 'POST':
        if not form.validate():

表格：

from flask.ext.wtf import Form,validators
from wtforms.fields import TextField,TextAreaField,SubmitField
import wtforms


class ContactForm(Form):
    name = TextField("Name",[wtforms.validators.Required('Please enter your name')])
    email = TextField("Email",[wtforms.validators.Required('Please enter your email'),wtforms.validators.Email()])
    subject = TextField("Subject",[wtforms.validators.Required('Please enter a subject')])
    message = TextAreaField("Message",[wtforms.validators.Required('Please enter a message')])
    submit = SubmitField("Send")
            flash('All fields are required.')
            return render_template('contact.html',form=form)
        else:
            msg = Message(form.subject.data,sender='imauld@gmail.com',recipients=['imauld@gmail.com'])
            msg.body = """From: %s <%s> %s""" % (form.name.data,form.email.data,form.message.data)
            mail.send(msg)
            return render_template('contact.html',success=True)
    elif request.method == 'GET':
        return render_template('contact.html',form=form)

追溯：

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py",line 1836,in __call__

return self.wsgi_app(environ,start_response)

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py",line 1820,in wsgi_app

response = self.make_response(self.handle_exception(e))

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py",line 1403,in handle_exception

reraise(exc_type,exc_value,tb)

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py",line 1817,in wsgi_app

response = self.full_dispatch_request()

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py",line 1477,in full_dispatch_request

rv = self.handle_user_exception(e)

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py",line 1381,in handle_user_exception

reraise(exc_type,line 1475,in full_dispatch_request

rv = self.dispatch_request()

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py",line 1461,in dispatch_request

return self.view_functions[rule.endpoint](**req.view_args)

File "/home/ian/PycharmProjects/flaskapp/app/routes.py",line 39,in contact

mail.send(msg)

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask_mail.py",line 415,in send

with self.connect() as connection:

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask_mail.py",line 123,in __enter__

self.host = self.configure_host()

File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask_mail.py",line 135,in configure_host

host = smtplib.SMTP_SSL(self.mail.server,self.mail.port)

File "/usr/lib/python2.7/smtplib.py",line 776,in __init__

SMTP.__init__(self,host,port,local_hostname,timeout)

File "/usr/lib/python2.7/smtplib.py",line 249,in __init__

(code,msg) = self.connect(host,port)

File "/usr/lib/python2.7/smtplib.py",line 309,in connect

self.sock = self._get_socket(host,self.timeout)

File "/usr/lib/python2.7/smtplib.py",line 781,in _get_socket

new_socket = socket.create_connection((host,port),timeout)

File "/usr/lib/python2.7/socket.py",line 553,in create_connection

for res in getaddrinfo(host,SOCK_STREAM):

gaierror: [Errno -2] Name or service not known

解决方法

app.config['MAIL_SERVER']='smtp.gmail.com'
app.config['MAIL_PORT'] = 465
app.config['MAIL_USERNAME'] = 'xx@gmail.com'
app.config['MAIL_PASSWORD'] = 'xx;'
app.config['MAIL_USE_TLS'] = False
app.config['MAIL_USE_SSL'] = True

请注意我拥有的MAIL_USE_TLS参数.还不确定它是否重要但是你的MAIL_SERVER设置为smtp.google.com而我的是smtp.gmail.com.

编辑：已确认,主要问题是您的smtp主机设置不正确.它应该始终是smtp.gmail.com

（编辑：安卓应用网）

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