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Re: [spf-discuss] Re: Fixing Forwarding with RPF

2006-11-14 07:05:51
On Tue, 14 Nov 2006 13:52:26 +0000 "K.J. Petrie (Instabook)" 
<kjpetrie(_at_)instabook(_dot_)com> wrote:
On Tuesday 14 November 2006 11:55, Scott Kitterman wrote:
On Tuesday 14 November 2006 05:58, K.J. Petrie (Instabook) wrote:
If you didn't send it, and the return address really is forged, it only
has a chance of bouncing to you if my ISP (foolishly) decides to bounce
SPF fails, in other words if SPF IS checked.

Bouncing/Not bouncing isn't an SPF issue.  It's an operations issue.  
With
the limited exception of to verified sending addresses (e.g. SPF Pass, 
but
bounced for other reasons), no one should send bounces.  The designed
behavior is to reject the message during SMTP, so there is no bounce
backscatter.

Scott K


I agree. (However, I have had mail bounced to me because it failed SPF at 
the 
recipient's mailbox, so some ISPs do.)

I'm not suprised, but it's everything to do with poor ISP operational 
practice and nothing to do with SPF.

Scott K

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