theme.template_name = 'email_default_sender.txt'
sender = render_to_string(theme.template, request)
theme.template_name = 'email_default_sender.txt'
sender = render_to_string(theme.template, request)
msg = EmailMultiAlternatives(subject, text_content, sender, recipients)
msg.attach_alternative(html_content, "text/html")
msg = EmailMultiAlternatives(subject, text_content, sender, recipients)
msg.attach_alternative(html_content, "text/html")