Simple Website Checker: Compares the number of <keyword> mentions to a static value and notifies of changes by email

check_website.py

import requests
import smtplib
from email.mime.text import MIMEText

# Website Checker: Compares the number of <keyword> mentions to a static value and notifies of changes by email 

url = 'www.example.com'
header = {'User-Agent': 'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:98.0) Gecko/20100101 Firefox/98.0'}

keyword = 'example'
current_number = 5

smtp_server = 'snmp.example.com'
smtp_port = 587
smtp_username = 'nwmichl@example.com'
smtp_password = '*******************'
mail_from = 'noreply@nwmichl.net'
mail_to = 'mail@nwmichl.net'

def mail_out(msg_body):
    server = smtplib.SMTP(host=smtp_server, port=smtp_port)
    server.ehlo()
    server.starttls()
    server.login(smtp_username, smtp_password)

    msg = MIMEText(msg_body)
    msg['From'] = mail_from
    msg['To'] = mail_to
    msg['Subject'] = 'Website Checker'

    server.send_message(msg)
    server.quit()

try:
    response = requests.get(url, headers=header)
except requests.exceptions.RequestException as e:
    mail_out('ERROR: ' + str(e))
else:
    word_count = response.text.split().count(keyword)
    if word_count != current_number:
        mail_out('Websites changed to ' + str(word_count) + ' x ' + keyword + ' : '+ url)