import smtplib
from email.mime.text import MIMEText

smtp_ssl_host = 'smtp.gmail.com'  # smtp.mail.yahoo.com
smtp_ssl_port = 465
username = 'user'
password = 'pass'
sender = 'MMATEUSZW.GT@GMAIL..COM'
targets = ['jaluki@vp.pl']

msg = MIMEText('HUE')
msg['Subject'] = 'HUE'
msg['From'] = sender
msg['To'] = ', '.join(targets)

for x in range(20):
    print('poszedl mail nr ' + str(x))
    server = smtplib.SMTP_SSL(smtp_ssl_host, smtp_ssl_port)
    server.login(username, password)
    server.sendmail(sender, targets, msg.as_string())
    server.quit()