> are you sure you want to do this? It will definitely result in lots of > legitimate mail being blocked, because SPF is by no means ubiquitous. > > You can set up your mail server to block mail if the SPF record suggests > it, but I would never filter mail originating from domains having no SPF > record at all. > > Best regards, > > Peter. Dear Peter, Thanks for your response. it is true what you are saying. but we want to set that way. Prabh S. Mavi