mailer.py

import smtplib
import config
import time
import random
emails = open("emails.txt", "r")
log = open("log.txt", "a+")
# Gmail Sign In
gmail_sender = config.USER
gmail_passwd = config.PASSW
server = smtplib.SMTP()
server.connect('smtp.gmail.com', 587)
server._host = 'smtp.gmail.com'
server.ehlo()
server.starttls()
server.ehlo()
server.login(gmail_sender, gmail_passwd)
print("Connecting to mail")
log.write("Connecting to mail\n")
SUBJECT = config.SUBJECT
TEXT = config.TEXT
i = 1
emailsSent = 0
done = False
for email in emails:
    if i % 99 == 0:
        print("Inside Disconnecting to mail")
        log.write("Inside Disconnecting to mail\n")

        server.quit()
        server = None
        waitTime = random.randint(180,240)
        print("Waiting", waitTime)
        time.sleep(waitTime)
        print("Inside Connecting to mail")
        log.write("Inside Connecting to mail\n")
        server = smtplib.SMTP()
        server.connect('smtp.gmail.com', 587)
        server._host = 'smtp.gmail.com'
        server.ehlo()
        server.starttls()
        server.ehlo()
        server.login(gmail_sender, gmail_passwd)
        print("Inside Connecting complete")
        log.write("Inside Connecting to mail complete\n")
    TO = email[:17]
    if i == 500:
        done = True
    if not done:

        BODY = '\r\n'.join(['To: %s' % TO, 'From: %s' % gmail_sender, 'Subject: %s' % SUBJECT, '', TEXT])

        try:
            server.sendmail(gmail_sender, [TO], BODY)
            emailsSent +=1
        except:
            print('Sent',emailsSent,'error sending mail Not graceful up to', TO)
            log.write("Sent {} Not graceful up to {}\n".format(emailsSent,TO))
            break
    else:
        print("Sent",emailsSent,"until but not", TO)
        log.write("Sent {} Finished {} \n".format(emailsSent,TO))
        break
    i += 1
server.quit()
print("Disconnecting")
log.write("Disconnecting to mail\n")
log.close()
emails.close()