spf-discuss
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Re: Email forwarding w/o submission service

2004-08-23 09:27:01
On Mon, Aug 23, 2004 at 09:15:05AM -0400, Scott Kitterman wrote:
| 
| I'm not sure that's entirely true.  Couldn't they use exists: and a custom
| DNS setup to define per user policies?
| 
| The specs allow for this capability.  Has anyone tried this yet?  Generally,
| the references to exists: that I've seen on these lists refer to using it to
| collect data.
| 

pobox.com is a forwarding service, and we do support
per-user SPF policies.

| While the effort involved in setting something like this up would be
| significant, I'm guessing that there may be a few people with alum.mit.edu
| with some technical background. ;) If they could implement this approach and
| share their results, it may well be a significant contribution to the
| community.

Here are some details.  If your forwarding organization
needs help doing this, I would be happy to help.  (In
related good news, the postmaster(_at_)acm(_dot_)org wrote to me and
has been inquiring about what to do with SPF and SRS and all
that.  I'm working with him.)

http://archives.listbox.com/spf-discuss(_at_)v2(_dot_)listbox(_dot_)com/200406/1014.html