InboxMaster

FEATURES

Email List: The script supports reading recipient email addresses from a list. Currently, the email addresses are stored directly within the script for simplicity.
Email Content: The email content, including the sender’s email address, subject, and message body, is configurable within the script.
SMTP Server: It connects to the SMTP server using SSL encryption (SMTP_SSL) provided by the smtplib library.
Authentication: The script supports SMTP server authentication using environment variables for the sender’s email address and password, enhancing security.
Delay: It includes a time delay (2 seconds in this case) between sending each email to avoid overloading the SMTP server.
Scalability: The code can be easily modified to handle a larger email list by reading email addresses from an external file or database.
Security: The script uses SSL encryption for sending emails, ensuring that the communication with the SMTP server is secure.
Customization: The email subject and message can be customized according to the requirements of the marketing campaign.
Error Handling: Error handling for SMTP connection, login, and email sending is not included in this code snippet but would be essential in a production environment to handle potential issues gracefully.

SMTP

SMTP stands for Simple Mail Transfer Protocol. It is a communication protocol used for transferring electronic mail (email) messages between servers. SMTP is a text-based protocol that operates over TCP/IP networks. SMTP is a reliable and efficient protocol for transferring email messages between mail servers. It operates on port 25 by default, but encrypted variants like SMTPS (SMTP Secure) or SMTP over TLS (Transport Layer Security) are also commonly used to secure email transmission.

SSL

SSL stands for “Secure Sockets Layer”. It’s a standard security protocol used to establish encrypted links between a web server and a browser in an online communication. SSL ensures that all data exchanged between the server and the browser remains private and integral. SSL encryption protects against eavesdropping and tampering by unauthorized parties. It’s commonly used in securing online transactions, such as e-commerce purchases, online banking, and sensitive data transfers.

POTENTIAL IMPROVEMENTS

Error Handling: Implement robust error handling to deal with potential exceptions during the email sending process.
Configuration: Store sensitive information like email credentials securely, possibly using environment variables or a configuration file.
Personalization: Add functionality to personalize emails with recipient names or other relevant information.

USAGE

Environment Setup: Before running the script, ensure that environment variables email and password are set to the sender’s email address and password, respectively.
Execution: Execute the script to start sending marketing emails to the recipients listed in the emailList variable.

LANGUAGE

Python
Importing Required Libraries: The script starts by importing necessary modules from the smtplib and email.mime packages. These are used for sending emails.

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

Print Welcome Message: It prints a welcome message indicating the start of the email marketing process.

print("Welcome to InboxMaster")

Email List: The list emailList contains the email addresses to which the marketing emails will be sent. In a real-world scenario, this list might be populated from a CSV file or a database.

emailList = ['########', '########', '########']

Defining the sendMail Function: This function takes parameters for the sender’s email address, recipient’s email address, email subject, and email message. It then constructs an email message using MIMEMultipart and MIMEText objects. Finally, it sends the email via an SMTP server using SSL encryption.

def sendMail(fromEmail, toEmail, subject, message):

This line defines a function named sendMail that takes four parameters: fromEmail (sender's email address), toEmail (recipient's email address), subject (email subject), and message (email body).

  msg = MIMEMultipart()
  msg.set_unixfrom("BhavdeepSinghNijhawan")
  msg['From'] = fromEmail
  msg['To'] = toEmail
  msg['Subject'] = subject
  msg.attach(MIMEText(message))

These lines create a new MIMEMultipart message object and set its attributes such as sender, recipient, subject, and message body.

  mailserver = smtplib.SMTP_SSL('smtpout.secureserver.net', 465)
  mailserver.ehlo()
  mailserver.login(os.environ['email'], os.environ['password'])

These lines create an SMTP server object using SSL encryption and connect to the SMTP server. The login method is then used to authenticate the user using the email and password obtained from environment variables.

  mailserver.sendmail(fromEmail, toEmail, msg.as_string())
  mailserver.quit()

Iterating Over Email List: The script iterates over each email address in the emailList. For each email address, it sets the sender’s email address, subject, and message, and then calls the sendMail function to send the email.

for email in emailList: 
  fromEmail = "########"
  subject = "Welcome to InboxMaster"
  message = "This is a Test for InboxMaster"
  sendMail(fromEmail, email, subject, message)

Sending Emails: Inside the loop, emails are sent to each recipient sequentially. After sending each email, it prints a message indicating the email has been sent.

print(f"Mail sent to - {email}")

Delay Between Emails: To avoid overloading the email server, the script pauses for 2 seconds between sending each email.

time.sleep(2)

Completion Message: It prints a message indicating that all emails have been sent successfully.

print("All E-Mails are Sent Successfully")

TOOL

Replit

CONTRIBUTOR

Bhavdeep Singh Nijhawan