test_email.py

from flask import Flask 
from config import Config #import the Config class from config.py
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from flask_login import LoginManager
import logging
from logging.handlers import SMTPHandler
from logging.handlers import RotatingFileHandler
import os
from flask_mail import Mail

app = Flask(__name__)

app.config.from_object(Config)# Load the configuration

mail = Mail(app)

if app.config['MAIL_SERVER']:
    auth = None
    if app.config['MAIL_USERNAME'] or app.config['MAIL_PASSWORD']:
        auth = (app.config['MAIL_USERNAME'], app.config['MAIL_PASSWORD'])
    secure = None
    if app.config['MAIL_USE_TLS']:
        secure = ()
    mail_handler = SMTPHandler(
        mailhost=(app.config['MAIL_SERVER'], app.config['MAIL_PORT']),
        fromaddr='no-reply@' + app.config['MAIL_SERVER'],
        toaddrs=app.config['ADMINS'], subject='Plantseedscook Failure',
        credentials=auth, secure=secure)
    mail_handler.setLevel(logging.ERROR)
    app.logger.addHandler(mail_handler)