Send a E-mail

Part 1

Open your replit account: https://replit.com/~

First, the Flask-Mail extension should be installed with the help of the pip utility.

pip install Flask-Mail

About Flask-Mail

You then need to configure the Flask-Mail by setting the values for the following application parameters.

MAIL_SERVER

MAIL_USE_TLS

MAIL_USE_SSL

MAIL_DEBUG

MAIL_USERNAME

MAIL_PASSWORD

MAIL_DEFAULT_SENDER

MAIL_MAX_EMAILS

MAIL_SUPPRESS_SEND

MAIL_ASCII_ATTACHMENTS

The flask-mail module contains definitions of the following important classes.

The Mail class manages email messaging requirements.The class constructor takes the form of:

flask-mail.Mail(app = None)

Mail class methods include: send(), connect() and send_message().

from flask import Flask

from flask_mail import Mail, Message

app = Flask(__name__)

mail= Mail(app)

app.config['MAIL_SERVER']='smtp.gmail.com'

app.config['MAIL_PORT'] = 465

app.config['MAIL_USERNAME'] = 'yourId@gmail.com'

app.config['MAIL_PASSWORD'] = '*****'

app.config['MAIL_USE_TLS'] = False

app.config['MAIL_USE_SSL'] = True

mail = Mail(app)

@app.route("/")

def index():

msg = Message('Hello', sender = 'yourId@gmail.com', recipients = ['someone1@gmail.com'])

msg.body = "Hello Flask message sent from Flask-Mail"

mail.send(msg)

return "Sent"

if __name__ == '__main__':

app.run(host='0.0.0.0', port=8080)

Setup your new gmail:

https://www.google.com/settings/security/lesssecureapps

Part 2

Simulation

main.py

from flask import Flask, request, render_template

from flask_mail import Mail, Message

app = Flask(__name__)

# configuration of mail

app.config['MAIL_SERVER']='smtp.gmail.com'

app.config['MAIL_PORT'] = 587

app.config['MAIL_USERNAME'] = 'YOUREMAIL@gmail.com'

# use the app password created

app.config['MAIL_PASSWORD'] = 'YOURPASSWORD'

app.config['MAIL_USE_TLS'] = True

app.config['MAIL_USE_SSL'] = False

# instantiating the mail service only after the 'app.config' to avoid error

mail = Mail(app)

@app.route("/", methods=['GET', 'POST'])

def home():

# try and except method

#to avoid the app crashing if the message does not go through due to network or something

try:

# if it is a post request

if request.method == 'POST':

#getting the html inputs and referencing them

sender = request.form['sender']

recipient = request.form['recipient']

message = request.form['message']

subject = request.form['title']

# inputing the message in the correct order

msg = Message(subject,sender=sender,recipients =[recipient] )

msg.body = message

with app.open_resource("static/1.png") as fp:

msg.attach("1.png", "static/1.png", fp.read())

mail.send(msg)

return "message Sent"

return render_template('mail.html')

except Exception as e:

return f'<p>{e} </p>'

if __name__ == '__main__':

app.run(host='0.0.0.0', port=8080)

mail.html

<!DOCTYPE html>

<head>

<title>Document</title>

integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">

</head>

<body>

<h1 class="text-center">Flask Mail Example</h1>

<label for="sender" class="form-label">Sender's Email address</label>

</div>

<label for="recipient" class="form-label">Recipient Email address</label>

</div>

<label for="title" class="form-label">Subject of message</label>

</div>

<label for="exampleFormControlTextarea1" class="form-label">Enter message</label>

</div>

<button class="btn btn-outline-success">Submit</button>

</form>

</div>

</body>

</html>

Source: https://www.educative.io/answers/how-to-send-emails-using-api-in-flask-mail

# change these as per use

your_email = "projectinstruments1@gmail.com"

your_password = "zuraobyxeepigpze"