spf-discuss
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Re: Protecting more than just the envelope-from

2003-10-15 11:16:20
On Tue, Oct 14, 2003 at 11:24:14PM -0500, wayne wrote:
| 
| Has any consideration been done for allowing domain owners to protect
| more than just the envelope-from?
| 
| For example, eBay might really want to authorize who can send email
| with a body From: header.  Since they do not post to mailing lists,
| this wouldn't cause them problems.  However, there would be a huge
| advantage to them from not having people forge any kind of email
| claiming to be from them.

This is solved!  See the "scope" modifier.

http://archives.listbox.com/spf-discuss(_at_)v2(_dot_)listbox(_dot_)com/200310/0121.html

| 
| Also, domain owners might want to be able to authorize who can use
| their domain in an rDNS pointer.  Right now, a badguy who controls
| their IP address can make it look like they are coming from a
| completely unrelated domain.
| 

This is solved!  See the "PTR" mechanism.

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