Не отправляется контактная форма Flask Python

Я совсем новичок. Делаю сайт в качестве последнего проекта к курсу CS50. Сижу вторую неделю над контактной формой. Форма выдает алерты если что-то не так заполнено, если поменять mail.send(msg) на print(msg), то все введенные данные печатает в том виде, в котором должен прийти майл. smtp пробовала с данными gmail, ukr.net и strato, где будет размещен сайт. Проблема в том, что на почту майл не отправляется никак. Запускается код на CS50 IDE cloud9. В хроме уже разрешила все что можно.

application.py

import os
from flask import Flask, render_template, request
from forms import ContactForm
from flask_mail import Mail, Message
from werkzeug.exceptions import default_exceptions, HTTPException, InternalServerError
import sentry_sdk
from sentry_sdk.integrations.flask import FlaskIntegration


sentry_sdk.init(
    dsn="https://[email protected]/2831960",
    integrations=[FlaskIntegration()]
)

# Configure application
app = Flask(__name__)

MAIL_DEBUG=True
app.config['SECRET_KEY'] = 'you-will-never-guess'

app.config['MAIL_SERVER']='smtp.strato.de'
app.config['MAIL_PORT'] = 465
app.config['MAIL_USERNAME'] = '[email protected]'
app.config['MAIL_PASSWORD'] = '******'
app.config['MAIL_USE_TLS'] = False
app.config['MAIL_USE_SSL'] = True


mail = Mail(app)

@app.route("/")
def index():
    return render_template("index.html")

@app.route("/frasen")
def frasen():
    return render_template("frasen.html")

@app.route("/drehen")
def drehen():
    return render_template("drehen.html")

@app.route("/montage")
def montage():
    return render_template("montage.html")

@app.route("/unternehmen")
def unternehmen():
    return render_template("unternehmen.html")

@app.route("/daten")
def daten():
    return render_template("daten.html")

@app.route("/impressum")
def impressum():
    return render_template("impressum.html")

@app.route("/kontakt", methods=["GET", "POST"])
def kontakt():
    form = ContactForm()

    # User reached route via POST (as by submitting a form via POST)
    if request.method == "POST" and form.validate():
        msg = Message("Kontaktformular", sender="[email protected]", recipients=["[email protected]"])
        msg.body = """
        From: %s <%s>
        Firma: %s
        Tel: %s
        Message: %s
        """ % (form.name.data, form.email.data, form.firma.data, form.tel.data, form.message.data)
        mail.send(msg)
        return render_template("success.html")

    # User reached route via GET (as by clicking a link or via redirect)
    else:
        return render_template("kontakt.html", form=form)

def errorhandler(e):
    """Handle error"""
    if not isinstance(e, HTTPException):
        e = InternalServerError()
    return (e.name, e.code)

# Listen for errors
for code in default_exceptions:
    app.errorhandler(code)(errorhandler)

if __name__ == "__main__":
  app.run(host='0.0.0.0',port=8080)

а это forms.py

from flask_wtf import FlaskForm
from wtforms import BooleanField, StringField, TextAreaField, SubmitField, validators, ValidationError
from wtforms.validators import DataRequired, Email, Length

class ContactForm(FlaskForm):
    name = StringField('Ihr Name', [validators.DataRequired()])
    firma = StringField('Firma', [validators.DataRequired()])
    email = StringField('Ihre E-mail Adresse', [validators.Email(message=('Nicht korrekte E-Mail Adresse.')), DataRequired()])
    tel = StringField('Ihre Telefonnummer', [validators.DataRequired()])
    message = TextAreaField('Ihre Nachricht', [validators.DataRequired(), Length(min=4, message=('Ihre Nachricht ist zu kurz.'))])
    checkbox = BooleanField('Die <a href="/daten">Datenschutzerklärung</a> habe ich gelesen und akzeptiert', [validators.DataRequired()])
    submit = SubmitField('Senden')

kontakt.html

{% extends "layout.html" %}

{% block title %}
    Contact
{% endblock %}

{% block main %}
    <div class="line">
        <span class="content">Kontakt</span>
    </div>
    <div class="container-fluid">
        <div class="row justify-content-md-center" style="margin-left:30px;">
            <div class="col-sm-6 text-left">
                <h2>FIRMA</h2>
                <br>
                <p>Firma</p>
                <p>Adress</p>
                <p>CITY</p>
                <p>Tel.: 00000</p>
                <p>Fax.: 00000</p>
                <p><a href="mailto:[email protected]">E-Mail: [email protected]</a></p>
                <!--Google map-->
                <div id="map-container-google-2" class="z-depth-1-half map-container" style="height: 500px">
                    <iframe src="https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d2495.0380371972988!2d7.250744915762087!3d51.29202407960038!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x47b9262a21c226cb%3A0xbccbcc317deb5271!2sH%C3%B6lker%20Feld%2016%2C%2042279%20Wuppertal!5e0!3m2!1sru!2sde!4v1580748093156!5m2!1sru!2sde" width="400" height="300" style="border:0;" allowfullscreen="">
                    </iframe>
                </div>
            </div>

            <div class="col-sm-6 text-left bg-light border">
                <h2>KONTAKTFORMULAR</h2>
                <form action="" method="POST" enctype=multipart/form-data>
                    {{ form.hidden_tag() }}

                    {{ form.name.label }}
                    {{ form.name }}
                        {% if form.name.errors %}
                            <ul class="errors">
                                {% for error in form.name.errors %}
                                    <li>{{ error }}</li>
                                {% endfor %}
                            </ul>
                        {% endif %}

                    {{ form.firma.label }}
                    {{ form.firma }}
                        {% if form.firma.errors %}
                            <ul class="errors">
                                {% for error in form.firma.errors %}
                                    <li>{{ error }}</li>
                                {% endfor %}
                            </ul>
                        {% endif %}

                    {{ form.email.label }}
                    {{ form.email }}
                        {% if form.email.errors %}
                            <ul class="errors">
                                {% for error in form.email.errors %}
                                    <li>{{ error }}</li>
                                {% endfor %}
                            </ul>
                        {% endif %}

                    {{ form.tel.label }}
                    {{ form.tel }}
                        {% if form.tel.errors %}
                            <ul class="errors">
                                {% for error in form.tel.errors %}
                                    <li>{{ error }}</li>
                                {% endfor %}
                            </ul>
                        {% endif %}

                    {{ form.message.label }}
                    {{ form.message }}
                        {% if form.message.errors %}
                            <ul class="errors">
                                {% for error in form.message.errors %}
                                    <li>{{ error }}</li>
                                {% endfor %}
                            </ul>
                        {% endif %}
                    <p>
                    {{ form.checkbox.label }}
                    {{ form.checkbox }}
                    </p>

                    <p>{{ form.submit }}</p>
                </form>

            </div>
        </div>
    </div>

{% endblock %}

Ошибки как не кручу всегда одинаковые

~/environment/endprojekt/ $ flask run
 * Serving Flask app "application.py" (lazy loading)
 * Environment: development
 * Debug mode: on
 * Running on https://29120605-7266-4db9-bec4-ae7fd599d6e6-ide.cs50.xyz:8080/ (Press CTRL+C to quit)
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 126-518-079
192.168.239.234 - - [27/Feb/2020 16:15:25] "GET / HTTP/1.0" 200 -
192.168.239.234 - - [27/Feb/2020 16:15:25] "GET /static/styles.css HTTP/1.0" 200 -
192.168.203.175 - - [27/Feb/2020 16:15:25] "GET /static/logo.png HTTP/1.0" 200 -
192.168.203.175 - - [27/Feb/2020 16:15:28] "GET /kontakt HTTP/1.0" 200 -
192.168.203.175 - - [27/Feb/2020 16:15:28] "GET /static/styles.css HTTP/1.0" 200 -
192.168.239.234 - - [27/Feb/2020 16:15:28] "GET /static/logo.png HTTP/1.0" 200 -
192.168.134.245 - - [27/Feb/2020 16:17:48] "POST /kontakt HTTP/1.0" 500 -
Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.7/site-packages/sentry_sdk/integrations/flask.py", line 70, in sentry_patched_wsgi_app
    environ, start_response
  File "/home/ubuntu/.local/lib/python3.7/site-packages/sentry_sdk/integrations/wsgi.py", line 126, in __call__
    reraise(*_capture_exception(hub))
  File "/home/ubuntu/.local/lib/python3.7/site-packages/sentry_sdk/_compat.py", line 57, in reraise
    raise value
  File "/home/ubuntu/.local/lib/python3.7/site-packages/sentry_sdk/integrations/wsgi.py", line 122, in __call__
    _sentry_start_response, start_response, span
  File "/home/ubuntu/.local/lib/python3.7/site-packages/sentry_sdk/integrations/flask.py", line 69, in <lambda>
    return SentryWsgiMiddleware(lambda *a, **kw: old_app(self, *a, **kw))(
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 2463, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 2449, in wsgi_app
    response = self.handle_exception(e)
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1866, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 2446, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1951, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1820, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1949, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1935, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/ubuntu/environment/endprojekt/application.py", line 72, in kontakt
    mail.send(msg)
  File "/home/ubuntu/.local/lib/python3.7/site-packages/flask_mail.py", line 491, in send
    with self.connect() as connection:
  File "/home/ubuntu/.local/lib/python3.7/site-packages/flask_mail.py", line 144, in __enter__
    self.host = self.configure_host()
  File "/home/ubuntu/.local/lib/python3.7/site-packages/flask_mail.py", line 156, in configure_host
    host = smtplib.SMTP_SSL(self.mail.server, self.mail.port)
  File "/usr/local/lib/python3.7/smtplib.py", line 1031, in __init__
    source_address)
  File "/usr/local/lib/python3.7/smtplib.py", line 251, in __init__
    (code, msg) = self.connect(host, port)
  File "/usr/local/lib/python3.7/smtplib.py", line 336, in connect
    self.sock = self._get_socket(host, port, self.timeout)
  File "/usr/local/lib/python3.7/smtplib.py", line 1037, in _get_socket
    self.source_address)
  File "/usr/local/lib/python3.7/socket.py", line 728, in create_connection
    raise err
  File "/usr/local/lib/python3.7/socket.py", line 716, in create_connection
    sock.connect(sa)
OSError: [Errno 99] Cannot assign requested address

Ответы (0 шт):