sendmail.py

import smtplib
import getpass
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import datetime
import re

def mail():
    """
    Docstring for mail function
    mail(receiver), receiver should be email address
    this function will ask sender email and password 
    for GMAIL, please make sure to allow less secure apps 
    https://myaccount.google.com/u/1/lesssecureapps?pli=1&pageId=none
    """
    split_term = '@'
    sender = str(input("Please enter sender email: "))
    receiver = str(input("Please enter receiver email: "))
    sen = re.split(split_term, sender)
    if sen[1] == 'gmail.com':
        allow = str(input("Did you enable allow secure apps on gmail settings y or n? "))
        if allow.lower() == 'y':
            password = getpass.getpass(prompt='Enter {} Password password: '.format(sender))
            smtpObj = smtplib.SMTP('smtp.gmail.com', 587)
            smtpObj.starttls()
            smtpObj.login(sender, password)
            message = MIMEMultipart()
            message["Subject"] = "Email generated by Python"
            message["From"] = sender
            message["To"] = receiver
            user = re.split(split_term, receiver)
            # Write the mail body text part
            text = """Hi, {} \nThis email generated by Python programm! \nEmail generated on """.format(user[0]) +str(datetime.datetime.now().strftime("%Y %m %d %H:%M:%S'"))
            part1 = MIMEText(text, "plain")
            message.attach(part1)
            try:
                smtpObj.sendmail(sender, receiver, message.as_string())
                print("{} Sent an email to {}".format(message.as_string(), receiver))
            except:
                print('error sending mail to {}'.format(receiver))
            smtpObj.quit()
        else:
            print("Please enable allow secure apps on https://myaccount.google.com/u/0/lesssecureapps?pli=1&pageId=non")
    else:
        print("sender email {} is different than gmail.com".format(sen[1]))

mail(receiver)