--wayne <wayne(_at_)midwestcs(_dot_)com> wrote:
Fourth:
example.com TXT "v=spf1 -include:_spf.%{d} +all"
_spf.example.com TXT "v=spf1 -ip4:192.168.0.0/16 -ptr +all"
oops, I posted without reading the rest of the thread. Wayne's answer is a
bit more elegant than mine. A good use of -include:
This depends on email claiming to be from _spf.example.com being
rejected because it is an invalid host name.
Good point, though I think most mailers will reject anyway if there are no
A or MX records.
--
Greg Connor <gconnor(_at_)nekodojo(_dot_)org>