spf entries for which hosts ???

Meng Weng Wong wrote:

> There are two ways to report this information back to domain owners:
> they can use an "exists" for logging, or they can help develop a
> reporting syntax, eg. v=spf1 -all report=postmaster+spf(_at_)%{d}
If a spammer sends one million e-mails with the spoofed domain, then with
"v=spf1 -all report=postmaster+spf(_at_)%{d}" the poor postmaster will receive
one million e-mails.

Roger