Send email from within a python script from one email-adress to another

send_email.py

import smtplib
from email.mime.text import MIMEText
from email.header import Header

def send_mail(message, *subject,**kwargs):

    smtp_host = 'smtp.xxx.de'
    login, password = 'login-email', 'password'
    recv = 'receiving-email'

    try:
        if subject:
            subject = Header(subject[0])
        else:
            subject = 'Kein Betreff'

        message = MIMEText(message, 'plain', 'utf-8')
        message['Subject'] = subject
        message['From'] = f'Python Script <{login}>'
        message['To'] = recv

    except Exception as e:
        print(e)
        return

    s = smtplib.SMTP(smtp_host, 587, timeout=10)

    #s.set_debuglevel(1)
    try:
        s.starttls()
        s.login(login, password)
        s.sendmail(message['From'], message['To'], message.as_string())
    finally:
        s.quit()

#message = "empty message"
#subject = "empty subject"
#send_mail(message, subject)