email sender with smtp

import smtplib
import ssl

PORT = 465
SMTP_SERVER = 'smtp.gmail.com'

def smtp_send(self, email, password, receiver):
    context = ssl.create_default_context()
    with smtplib.SMTP_SSL(SMTP_SERVER, PORT, context=context) as server:
        server.login(email, password)

        with open(receiver) as file:
            reader = csv.reader(file)
            for receiver_email in reader:
                server.sendmail(
                    email,
                    receiver_email,
                    self.message.as_string()
                )

                print('Email to', receiver_email, 'successfully sent!')