send email from python

send_email.py

def send_mail(msg, to_add, from_add=from_add, 
              smts_server=('smtp.gmail.com', 587), 
              login=(email, password),
              subj=None,
              header=True):
    """Function to consolidate sending a single email. to_add can be a list."""
    if header:
        msg = "\r\n".join([
        "From: " + from_add,
        "To: " + (', '.join(to_add) if isinstance(to_add, list) else to_add),
        "Subject: " + str(subj),
        "",
        msg
        ])       
    server = smtplib.SMTP(smts_server[0], smts_server[1])
    server.ehlo()
    server.starttls()
    server.ehlo()
    server.login(login[0], login[1])
    server.sendmail(from_add, to_add, msg)
    server.close()