On Feb 8, 2004, at 3:13 PM, Karl Kraft wrote:
Also I've noticed many of the domains that implement SPF only do so
for their top domain.
...
It does little good if everyone just enters the single SPF record for
the domain alone as sidestepping becomes a simple matter.
This is only an issue for a domain if it accepts mail addressed to
arbitrary subdomains. Many (most?) domains won't accept such mail.
For example, at glyphic.com, we don't accept mail for www.glyphic.com,
or ziggy.glyphic.com or such.
- Mark
Mark Lentczner
http://www.ozonehouse.com/mark/
markl(_at_)glyphic(_dot_)com
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