RE: Sendmail white paper, SRS, and forwarding

> -----Original Message-----
> From: owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
> [mailto:owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com]On Behalf Of David 
> Woodhouse
> Sent: Sunday, November 21, 2004 12:58 PM
> To: spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
> Subject: Re: [spf-discuss] Sendmail white paper, SRS, and forwarding
>
>
> On Sun, 2004-11-21 at 12:03 -0500, Meng Weng Wong wrote:
> > On Sat, Nov 20, 2004 at 08:47:00PM +0100, Roger Moser wrote:
> > | 
> > | SRS breaks SES. The mail will be rejected if the mail is 
> forwarded by a
> > | second forwarder (not doing SRS) after being forwarded by 
> a forwarder that
> > | applied SRS.
> I don't understand why this mail would be rejected. Unless it's just
> rejected due to the normal brokenness of SPF when mail is forwarded?
>
> > i think we can rejigger SRS to not rewrite if SES is seen.
> It would be better to have SRS happen _only_ if the original source
> address has IP-dependent mechanisms followed by '-all', and preferably
> also only if the recipient is known to check SPF.
How do you propose to know policies about the recipient?

Terry Fielder
Manager Software Development and Deployment
Great Gulf Homes / Ashton Woods Homes
terry(_at_)greatgulfhomes(_dot_)com 
Fax: (416) 441-9085

> -- 
> dwmw2
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