SendmailViaSMTP.py

def send_mail(subject, content, address_from, address_to, smtp_host, smtp_user, smtp_password, smtp_port=25,using_tls=False, attachment=[]):
    import smtplib
    smtp = smtplib.SMTP()
    # smtp = smtplib.SMTP(smtp_host)
    is_gmail = False
    if smtp_host == "smtp.gmail.com":
        is_gmail = True
    if is_gmail:
        smtp_port = 587
    smtp.connect(smtp_host, smtp_port)
    if using_tls or is_gmail:
        smtp.starttls()
        smtp.ehlo() # must do while python is 2.5.x or lower.
#        smtp.esmtp_features['auth'] = 'LOGIN DIGEST-MD5 PLAIN'
    if smtp_user:
        smtp.login(smtp_user, smtp_password)
    mailbody = build_mail(subject, content, address_from, address_to, attachment=attachment)
    smtp.sendmail(address_from, address_to.split(';'), mailbody.as_string())
    smtp.quit()