email-from-app.py

#!/usr/bin/env python3

from email.message import EmailMessage
import ssl
import smtplib

# create pw here https://myaccount.google.com/u/4/apppasswords after you enable 2-factor
password = "SOMEPASSWORD"
sender = "[email protected]"


def emailsend():
    global subject
    global receiver
    global body
    subject = "test"
    receiver = "[email protected]"
    body = '''
    Hello World
    '''


emailsend()
em = EmailMessage()
em['From'] = sender
em['To'] = receiver
em['Subject'] = subject
em.set_content(body)
context = ssl.create_default_context()

with smtplib.SMTP_SSL('smtp.gmail.com', 465, context=context) as smtp:
    smtp.login(sender, password)
    smtp.sendmail(sender, receiver, em.as_string())