On Tue, Feb 24, 2004 at 03:51:12PM -0600, wayne wrote:
|
| On a somewhat related subject, it would be nice if you could mark SPF
| records as being valid for include: mechanisms only. It is awfully
| tempting to use something like include:%{l}.spf.%{d}, and have that
| resolve to "v=spf1 +all" in some cases. However, that opens up those
| subdomains for being abused.
|
I believe the way around that is to make the subdomain have no A or MX record.