def send_mail(send_from, send_to, subject, text, files=None, server="mail.directservices.bg"):
    assert isinstance(send_to, list)

    username = ''
    password = ''

    msg = MIMEMultipart()
    msg['From'] = send_from
    msg['To'] = COMMASPACE.join(send_to)
    msg['Date'] = formatdate(localtime=True)
    msg['Subject'] = subject

    msg.attach(MIMEText(text.encode('utf-8'), 'html', 'utf-8'))

    for f in files or []:
        with open(f, "rb") as fil:
            part = MIMEApplication(
                fil.read(),
                Name=basename(f)
            )
        # After the file is closed
        part['Content-Disposition'] = 'attachment; filename="%s"' % basename(f)
        msg.attach(part)

    smtp = smtplib.SMTP(server)
    smtp.ehlo()
    smtp.starttls()
    smtp.login(username, password)
    smtp.sendmail(send_from, send_to, msg.as_string())
    smtp.close()

send_mail("danielbsu9@gmail.com", ["danielbsu@abv.bg"], "subj", "hello from test pizza site!", files=None, server="smtp.gmail.com:587")