Extra content of flask application

1.emial setup in flask application

from flask import Flask, render_template
from flask_mail import Mail, Message

EMAIL_ADDRESS = ''
EMAIL_PASSWORD = ''

app = Flask(__name__)

app.config['MAIL_SERVER'] = 'smtp.gmail.com'
app.config['MAIL_PORT'] = 587
app.config['MAIL_USE_TLS'] = True
app.config['MAIL_USERNAME'] = EMAIL_ADDRESS
app.config['MAIL_PASSWORD'] = EMAIL_PASSWORD
app.config['MAIL_DEFAULT_SENDER'] = ('username', EMAIL_ADDRESS)  # Default sender

mail = Mail(app)

@app.route('/mail')
def send_email():
    with app.app_context():
        html_content = render_template('email_template.html', subject='Confiramation mail', greeting='Good Morning!',
                                       body='congratulation you have successfully passed examanation.', sender=EMAIL_ADDRESS)
        
        msg = Message('Email From flask application', recipients=['amritpanta77@gmail.com'])
        # msg.body = 'This is the body of the email.'
        msg.html = html_content
        mail.send(msg)
        return 'Email sent successfully'

if __name__ == '__main__':
    app.run(debug=True)

or if you need simply test mail then ,

with app.app_context():
    msg = Message('subject', recipients=['amritpanta77@gmail.com'])
    msg.body = 'body'
    msg.sender = EMAIL_ADDRESS 
    mail.send(msg)