def create(self, request, *args, **kwargs):

        user = request.user.profile

        if request.data is None:
            return rc.BAD_REQUEST

        if 'stream' in request.data:
            stream = getOrNone(MessageStream, request.data['stream'])
            if stream and not user.has_permission(stream, mode='x'):
                return rc.FORBIDDEN

        message = Message()
        message.author = user.get_contact()
        if not message.author:
            return rc.FORBIDDEN

        form = MessageForm(user, None, None, request.data, instance=message)
        if form.is_valid():
            message = form.save()
            message.recipients.add(user.get_contact())
            message.set_user_from_request(request)
            message.read_by.add(user)
            try:
                # if email entered create contact and add to recipients
                if 'multicomplete_recipients' in request.POST and request.POST['multicomplete_recipients']:
                    try:
                        conf = ModuleSetting.get_for_module(
                            'treeio.messaging', 'default_contact_type')[0]
                        default_contact_type = ContactType.objects.get(
                            pk=long(conf.value))
                    except Exception:
                        default_contact_type = None
                    emails = request.POST[
                        'multicomplete_recipients'].split(',')
                    for email in emails:
                        emailstr = unicode(email).strip()
                        if re.match('[a-zA-Z0-9+_\-\.]+@[0-9a-zA-Z][.-0-9a-zA-Z]*.[a-zA-Z]+', emailstr):
                            contact, created = Contact.get_or_create_by_email(
                                emailstr, contact_type=default_contact_type)
                            message.recipients.add(contact)
                            if created:
                                contact.set_user_from_request(request)
            except:
                pass
            # send email to all recipients
            message.send_email()
            return message
        else:
            self.status = 400
            return form.errors
Send email to some recipients
dataset/ETHPy150Open treeio/treeio/treeio/messaging/api/handlers.py/MessageHandler.create