from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from freepost import settings
from subprocess import Popen, PIPE

def send (from_address, to_address, subject, body):
    email_message            = MIMEMultipart ()
    email_message['From']    = from_address
    email_message['To']      = to_address
    email_message['Subject'] = subject
    email_message.attach (MIMEText (body, 'plain'))
    
    # Open pipe to sendmail
    Popen ([ settings['sendmail']['path'] , "-t" ], stdin=PIPE) \
        .communicate (email_message.as_bytes ())