Re: MSA SPF Policy Checks

On 05/15/2006 14:41, Arjen de Korte wrote:
> spf2@xxxxxxxxxxxxx wrote:
> > It ocurred to me that it might be useful for an MSA to check and see if a
> > message that is being submitted to it for transmission would pass an SPF
> > check using the MSA's local IP address.  I'm trying this in Postfix 2.1.
>
> I think you're much better off checking out 'smtpd_sender_login_maps'
> and 'reject_sender_login_mismatch'. When properly setup, this will also
> prevent cross-user forgeries and in general prevent relaying of messages
> with non-approved sender addresses.
>
That is my intent when using SMTP Auth.  The MSA box in question isn't set up 
for it and I'm not in a position to change it right now.

The client IPs in question are authorized via permit_mynetworks.

Scott K

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