"David F. Skoll" <d...@roaringpenguin.com> wrote:
>On Thu, 22 Mar 2012 11:19:04 +0000 >Martin Gregorie <mar...@gregorie.org> wrote: > >> The only sensible use of SPF is to prevent backscatter. > >Agreed. For the record, I am not promoting spf_none. I am simply answering questions and letting the admin make the choice. >There is such an incredibly deep well of ignorance and stupidity among >Microsoft administrators and software designers that it will take >many years of hard work to improve things, if it can even be done at >all. I will comment that this is also a pervasive security model issue. Microsoft and others argue that knowing the emails that work/don't is a security concern. I agree but believe backscatter is the bigger evil. I think Microsoft is in a damned if they do / don't. They have been beaten up for a lack of security and now people don't want it.
