Simple Python script to send an email.

Programmatically sending an email is really a good tool for developer’s paraphernalia. This is really handy when one automates task and wants to get notified by an email for success or failure. Lately I have written Python script to automate some jobs and incorporated method to send email notification. I thought to share this simple script here so my readers can get benefited.

#!/usr/bin/env python
import smtplib
from email.mime.text import MIMEText

EMAIL_SUBJECT = "Email from Python script"
EMAIL_FROM = "[email protected]"
EMAIL_RECEIVERS = ['[email protected]']

def listToStr(lst):
    """This method makes comma separated list item string"""

    return ','.join(lst)

def getCurrentTime():
    return datetime.now().strftime(DB_DATE_FORMAT)

def send_email(msg):
    """This method sends an email""" 
  
    msg_header = "From: " + EMAIL_FROM + "\n" + \
                 "To: " + listToStr(EMAIL_RECEIVERS) + "\n" + \
                 "Subject: " + EMAIL_SUBJECT + "\n"
    msg_body =  msg_header + msg

    try:
      smtpObj = smtplib.SMTP('localhost')
      smtpObj.sendmail(EMAIL_FROM, EMAIL_RECEIVERS, msg_body)
    except SMTPException as error:
      print "Error: unable to send email :  {err}".format(err=error)

def main():
    """This is a simple main() function which demonstrate sending of email using smtplib."""
    send_email("Test email was generated by Python using smtplib and email libraries");

if __name__ == "__main__":
   """If this script is run as stand alone then call main() function."""
    main()

Before running this script make sure your system has Mail Transfer Agent(MTA) configured. If it is not then read this post to configure Mail-server on Ubuntu 12.04. You can also get the source code from github/code4reference.

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Code for Reference

Simple Python script to send an email.

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