On Thu, Jan 08, 2004 at 06:37:24PM -0500, Philip Gladstone wrote:
| I just realized that, while I have an SPF record for
| gladstonefamily.net, there is nothing to stop somebody from sending mail
| from foo.gladstonefamily.net as the sending domain. This particular
| domain does not exist. Alternatively, somebody could use a name that
| does exist in my domain.
|
| What should I do? Does every single entry in the domain need an SPF
| record, including a wildcard? This could be a configuration nightmare.
You only need SPF accompaniment for entries that have A or MX records.
In an ideal world, you'd only need them for MX entries, but the
"implicit-MX" rule has been grandfathered for so long that it's still
possible for a spammer to joe-job your laptop.
-------
Sender Permitted From: http://spf.pobox.com/
Archives at http://archives.listbox.com/spf-discuss/current/
Latest draft at http://spf.pobox.com/draft-mengwong-spf-02.9.4.txt
To unsubscribe, change your address, or temporarily deactivate your
subscription,
please go to
http://v2.listbox.com/member/?listname(_at_)©#«Mo\¯HÝÜîU;±¤Ö¤Íµø?¡