python email

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email import encoders

import csv
from random import randint
from time import sleep



def send_mail(fromaddr, frompasswd, toaddr, msg_subject, msg_body, file_path):
    try:
        msg = MIMEMultipart()
        print("[+] Message Object Created")
    except:
        print("[-] Error in Creating Message Object")
        return

    msg['From'] = fromaddr

    msg['To'] = toaddr

    msg['Subject'] = msg_subject

    body = msg_body

    msg.attach(MIMEText(body, 'plain'))

    filename = file_path
    attachment = open(filename, "rb")

    p = MIMEBase('application', 'octet-stream')

    p.set_payload((attachment).read())

    encoders.encode_base64(p)

    p.add_header('Content-Disposition', "attachment; filename= %s" % filename)

    try:
        msg.attach(p)
        print("[+] File Attached")
    except:
        print("[-] Error in Attaching file")
        return

    try:
        #s = smtplib.SMTP('smtp.gmail.com', 587)
        s = smtplib.SMTP('mail.iitp.ac.in', 587)
        print("[+] SMTP Session Created")
    except:
        print("[-] Error in creating SMTP session")
        return

    s.starttls()

    try:
        s.login(fromaddr, frompasswd)
        print("[+] Login Successful")
    except:
        print("[-] Login Failed")

    text = msg.as_string()

    try:
        s.sendmail(fromaddr, toaddr, text)
        print("[+] Mail Sent successfully")
    except:
        print('[-] Mail not sent')

    s.quit()


def isEmail(x):
    if ('@' in x) and ('.' in x):
        return True
    else:
        return False


f = open('found_details.csv', 'r')
reader = csv.reader(f)

FROM_ADDR = "email@iitp.ac.in"
FROM_PASSWD = "Change"

Subject = "Mandatory QR Code for IITP Gate Entry/Exit "
Body ='''
Dear Student,

'''
from datetime import datetime

start_time = datetime.now()

#what a ever is the limit of your sending mails, like gmail has 500.
max_count = 9999999
count=0
last_email = open("last_email.txt","a")
data_list = [row for row in reader]
f.close()
for row in data_list:
    file_path = 'qrcodes\\'+row[1] + '.png'

    if isEmail(row[8]) and count <=max_count:
        count+=1
        print(row[8])
        last_email.write(row[8].strip()+"\n")
        send_mail(FROM_ADDR, FROM_PASSWD, row[8], Subject, Body, file_path)
    if isEmail(row[9]) and count <=max_count:
        count+=1
        print(row[9])
        last_email.write(row[9].strip()+"\n")
        send_mail(FROM_ADDR, FROM_PASSWD, row[9], Subject, Body, file_path)
    print("Count Value: ", count)
    print("Sleeping . .. . ")
    sleep(randint(1,3))
    if count == max_count:
        break

print("Count Max is reached: " ,count)
last_email.close()

end_time = datetime.now()
print('Duration: {}'.format(end_time - start_time))