How to send mail from GMail using Python?

 Sending mail through GMail via Python Code

Before sending mail through Python you need to set up your GMail account so that you can use it for sending mails

Here are the steps.

1. Log in to your GMail account and go to the Manage Your Google Account section

2. Go to Security

3. Scroll down to the less secure app section

4. Toggle the allow less secure app button which is off by default

5. Button set to on

Python Code for sending mail

# Program to send emails


"""
Program to send email after logging in to a GMail Account.

You require a gmail account with less security.
Connect to the SMTP Server and send mails
"""

import smtplib


# smtplib dpcumentation https://docs.python.org/3/library/smtplib.html


def mailSend(currentsession, receiver, subject, mail_content, mailfrom):
    # Function for sending mail.
    # The function takes a receiver emailid, subject, mail content and a sender
    # The first parameter is a SMTP Session that is already connected to GMail

    from email.message import EmailMessage
    receiver = receiver.strip()
    mailfrom = mailfrom.strip()
    # Setup the MIME
    msg = EmailMessage()  # Documentation on https://docs.python.org/3.9/library/email.message.html#email.message
    # .EmailMessage
    msg.add_header('Content-Type', 'text/html')
    mail_content = mail_content.encode('utf-8')
    msg.set_payload(mail_content)

    # msg.set_content(mail_content)
    msg['Subject'] = subject
    msg['From'] = mailfrom
    msg['To'] = receiver
    # msg['Cc'] = ''
    # Add Cc addresses if you want
    # msg['Bcc'] = ''
    # Add Bcc addresses
    try:
        currentsession.send_message(msg)  # Send the message
        print('Mail Sent to ', receiver)  # Provide confirmation
    except Exception as e:
        print("Error ", e)


try:
    sender_pass = 'My Password'
    session = smtplib.SMTP('smtp.gmail.com', 587)  # use gmail with port
    session.starttls()  # enable security
    session.login('vsjtestmail@gmail.com', sender_pass)  # login with mail_id and password
    mailSend(session, "receiveraccount@gmail.com", "Hello Varanasi Software Junction", "Content of the mail.",
             "From Sender<senderaccount@gmail.com>")
except Exception as e:
    print("Connection Error ", e)
# End Program

Output

Mail Sent to  receiver@gmail.com

Process finished with exit code 0

Mail delivered

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