Python send email with smtplib

send_mail.py

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
mail_content = '''Hello,
This is a simple mail. 
There is only text, no attachments are there The mail is sent using Python SMTP library.
Thank You
'''

#The mail addresses and password
sender_address = '[email protected]'
sender_pass = 'password'
receiver_address = '[email protected]'
# receiver_address = '[email protected],[email protected]'
print(receiver_address)

#Setup the MIME
message = MIMEMultipart()
message['From'] = sender_address
message['To'] = receiver_address
message['Subject'] = 'A test mail sent by Python 2.'   #The subject line

#The body and the attachments for the mail
message.attach(MIMEText(mail_content, 'plain'))

#Create SMTP session for sending the mail
try:
   session = smtplib.SMTP('smtp.gmail.com', 587) #use gmail with port
   session.starttls() #enable security
   session.login(sender_address, sender_pass) #login with mail_id and password
   session.sendmail(sender_address, message["To"].split(","), message.as_string())
   session.quit()
   print ("Successfully sent email")
except Exception as e:
   print ("Error: unable to send email", e)

send_to_multiple_recipients.py

"""*********************************************************
   -------------- Use example ---------------
   from helpers.notifier import Notification
   Notification.mail('Python notification message',['[email protected]', '[email protected]'])
   # Notification.mail('Python notification message','[email protected],[email protected]')
  **********************************************************"""

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

smtp_host = 'smtp.gmail.com'
smtp_port = 587
smtp_user = '[email protected]'
smptp_pass = 'password'


class Notification:
    def mail(message, recipients):
        mail_content = message

        message = MIMEMultipart()
        message['From'] = smtp_user
        message['To'] = (',').join(recipients)
        # message['To'] = recipients
        message['Subject'] = 'Python Notification'

        message.attach(MIMEText(mail_content, 'plain'))

        try:
            session = smtplib.SMTP(smtp_host, smtp_port)
            session.starttls()
            session.login(smtp_user, smptp_pass)
            session.sendmail(smtp_user, recipients, message.as_string())
            # session.sendmail(smtp_user, message["To"].split(","), message.as_string())
            session.quit()
            print("Successfully sent email")
        except Exception as e:
            print("Error: Unable to send email", e)