On Saturday 19 August 2006 13:19, Julian Mehnle wrote: > Scott Kitterman wrote on spf-devel: > > Since only MTAs are listed in SPF records, if you try and do SPF checks > > on each mail client that sends mail, they will fail the check. > > What you can do, if you want, is to make sure that mail you send out > > would not fail an SPF check when checked by the MTA your SMTP boxes send > > to. To do that, you need to use the IP address of the SMTP server rather > > than the provided client_address. You would have to modify postfix- > > policyd-spf-perl to do this. > > What Scott described in his recent posting to spf-devel is known as > "outbound SPF checking". I am practicing this myself (as a stop-gap > measure until I manage to implement full MAIL FROM authorization), and I > think we should describe the concept on the SPF website, say, on an > "Outbound SPF Checking" page. > > Is someone of those listening and knowledgeable of the concept willing to > write a concise description of it? I'd do it, but I'm overloaded at the > moment. (If you are willing but don't have write access to the website, > either ask for it, or just post the text on this mailing list, then one of > the webmasters will pick it up.) > I'll do it when I get time (probably not today, but likely within the next week). If someone beats me to it, let me know here.
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