pdfmessage.py

def pdf(request):
    response = HttpResponse(content_type="application/pdf")
    response['Content-Disposition'] = 'attachment; filename="UTEL_Tramites.pdf"'
    file_ = GenerarPDF(response=response, user=User.objects.get(id=1))
    to_admin = 'mini.guero@hotmail.com'
    html_content = "Informacion recibida de  <br><br><br>***Mensaje****<br><br>" 
    msg = EmailMessage('Correo de Contacto', html_content, 'from@server.com', [to_admin])
    msg.attach('UTEL_Tramites.pdf', response.content, 'application/pdf')
    msg.send()
    return response