# -*- coding: utf-8 -*-
"""Send email via smtp_host."""
import smtplib
from email.mime.text import MIMEText
from email.header    import Header
smtp_host = 'smtp.gmail.com'  
login = "ser@gmail.com"
password =  "************"
recipients_emails = "ser@gmail.com"
msg = MIMEText('Само сообщение письма', 'plain', 'utf-8')
msg['Subject'] = Header('Тут тема письма', 'utf-8')
msg['From'] = login
msg['To'] = recipients_emails
s = smtplib.SMTP(smtp_host, 587, timeout=10)
#s.set_debuglevel(1)
try:
    s.starttls()
    s.login(login, password)
    s.sendmail(msg['From'], recipients_emails, msg.as_string())
finally:
    print("письмо отправленно")
    s.quit()