main.py

import smtplib, ssl
from email.message import EmailMessage
import csv

port_number = 465
smtp_server = "smtp.gmail.com"
#sender email
sender_email = "dandiwaljaspreet268@gmail.com"
#sender Password
sender_password = "Jaspreet97"
#receiver email address
receiver_email = "dandiwaljaspreet268@gmail.com"
def send_email(to, subject, content):
        message = EmailMessage()
        message['subject'] =subject;
        message['from'] = sender_email
        message['to'] = to
        message.set_content(content)
        with smtplib.SMTP_SSL("smtp.gmail.com", 465) as smtp:
            smtp.login(sender_email, sender_password)
            smtp.send_message(message)

if __name__ == '__main__':
    subject=input("Enter Subject: ")
    content=input("Enter Body of Content: ")
    line_count = 0
    with open('subscribers.csv','r',encoding='utf8') as csv_file:
        reader = csv.reader(csv_file)
        for r in reader:
            if line_count==0:
                line_count += 1;
                continue
            print("Sending Email to {0}, Email id is: {1}".format(r[1],r[2]))
            send_email(r[2],subject,content)
    print("Email sent successfully!")