Create an awesome mailing program in Python

# Craig Hammond 2017 YouTube channel bingazingas
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication
# smtp.mail.yahoo.com
import time
from tkinter import *
from tkinter import ttk
import math

class Application(Frame):
    """ Gui Application """
    
    def __init__(self, master):
        """ initialize the Frame """
        ttk.Frame.__init__(self, master)

        self.grid()
        self.create_widgets()

    def create_widgets(self):

        myfont = ('', 14, 'bold')
        # row 0
        #create first button
        self.btnConnect = Button(self,  font=myfont, text = "Send Mail", bg='red', fg='white', command=self.send_mail).grid(row=0, column=0, sticky=W)
        
        # row 1
        # create label for To:
        self.label1 = Label(self, font=myfont, text='To: ').grid(row=1, column=0, pady=10, padx=10, sticky=E)

        # create combo box for the address
        self.cbToEmail = ttk.Combobox(self, font=myfont, width=40, textvariable=varTo)
        self.cbToEmail['values'] = ('info@evil_corp.com', 'admin@yahoos.com', 'bobhatesthat@yahoo.com', 'juggernaut@gmail.com')
        self.cbToEmail.grid(row=1, column=1, pady=10, padx=10)
        
        # row 2
        # create label from
        self.label2 = Label(self, font=myfont, text='From: ').grid(row=2, column=0, pady=10, padx=10, sticky=E)

        # create combo box for the address
        self.cbFromEmail = ttk.Combobox(self, font=myfont, width=40, textvariable=varFrom)
        self.cbFromEmail['values'] = ('info@yahhoo.com',
                                      'juggernaut@gmail.com',
                                      'evil_corp@yahoo.com')
        self.cbFromEmail.grid(row=2, column=1, pady=10, padx=10)
        
        # row 3
        # create label list of email addresses
        self.label3 = Label(self, font=myfont, text='Subject: ').grid(row=3, column=0, pady=10, padx=10, sticky=E)
        
        # create combo box for the address
        self.cbSubject = ttk.Combobox(self, font=myfont, width=40, textvariable=varSubject)
        self.cbSubject['values'] = ('check out my latest update from my website', 'Webist has been updated')
        self.cbSubject.grid(row=3, column=1, pady=10, padx=10)
        
        # row 4
        # create label list of email addresses
        self.label2 = Label(self, font=myfont, text='Address list name: ').grid(row=4, column=0, pady=10, padx=10, sticky=E)

        # create combo box for the address
        self.cbEmail_List = ttk.Combobox(self, font=myfont, width=40, textvariable=varEmail_List)
        self.cbEmail_List['values'] = ('adresses_email.txt',
                                       'Test_adresses_email.txt')
        self.cbEmail_List.grid(row=4, column=1, pady=10, padx=10)
        
        # row 5
        # create text box to hold the text for the letter
        self.text = Text(self, font=('', 12), width=90, height=25)
        self.text.grid(row=5, column = 0, columnspan=2, padx=5, pady=5, sticky='nsew')
        
        self.scrollb = Scrollbar(self, command=self.text.yview)
        self.scrollb.grid(row=5, rowspan=8, column=2, columnspan=2, pady=10, sticky='nse')
        self.text['yscrollcommand'] = self.scrollb.set

    def send_mail(self):
        
        from_address = varFrom.get() # get the address from the combobox who is sending the email example: 'sender_name@yahoo.com' 
        to_address = varTo.get() # get the address from the combobox for example: 'receiver_name@gmail.com'

        file_to_open = varEmail_List.get()# get address text file from combobox on form
        address_text = open(file_to_open,'r') # read the file
        my_addresses = address_text.readlines() # read each line in text file
        address_text.close() # close text file

        
        text_Letter = self.text.get('1.0', END) # select all text in the listbox 


        counter = 1 # create a varialbe to increase an integer
        # loop through all the addresses and print them
        for line in my_addresses:
            print (counter, line)
            counter +=1
   
        subject_text = varSubject.get() # gets the contents of the combo box for the subject line

        username = 'username@yahoo.com'  # use your email address as the username
        password = 'password' # password used to login to your email account
 
        b=1 # create a counter set it to start at 1
        
        # how many email addresses to process
        list_length = len(my_addresses)
        t = list_length 
        print ('How many in the list', list_length)
        
        msg = MIMEMultipart()
        msg['From'] = from_address
        msg['To'] = to_address
        msg['Subject'] = subject_text 
        msg.attach(MIMEText(text_Letter))
        server = smtplib.SMTP('smtp.mail.yahoo.com') # for gmail use: smtp.gmail.com
        server.ehlo()
        server.starttls()
        server.ehlo()
        server.login(username, password)
        for atoaddress in my_addresses: # loop through each email address
            ti = t % 12 # divide number by 12 send 12 at a time
            if ti == 0: # if when you divide the number by 12 you get zero
                server.sendmail(from_address,atoaddress,msg.as_string())
                print (b, ' sent ', atoaddress) # print the address that you sent the mail to
                time.sleep(2)
                server.quit() # quit or close the server
                print ('it_quit')
                time.sleep(8) # sleeps for 8 seconds
                msg = MIMEMultipart() # re-connects and continues the main loop
                msg['From'] = from_address
                msg['To'] = to_address
                msg['Subject'] = subject_text
                msg.attach(MIMEText(text_Letter))
                server = smtplib.SMTP('smtp.mail.yahoo.com') # for gmail use: smtp.gmail.com
                server.ehlo()
                server.starttls()
                server.ehlo()
                server.login(username, password)
                b+=1
                t-=1
            else:
                server.sendmail(from_address,atoaddress,msg.as_string())
                print (b, ' sent ', atoaddress)
                b+=1
                t-=1
                time.sleep(6)
        server.quit()
        print ('Done')


root = Tk()
   
root.title("email program in Python please donate")
root.geometry("840x625")
"""root.bind("", keydown)
root.bind("", keyup)"""
root.attributes("-topmost", True)
varTo = StringVar(root, value='to_address@gmail.com')
varFrom = StringVar(root, value='from_address@yahoo.com')
varText_Letter = StringVar()
varSubject = StringVar(root, value='Latest update from my website')
varEmail_List = StringVar(root, value='adresses_email.txt')
app = Application(root)

root.mainloop()

Save Save Save