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From mouss <mo...@netoyen.net>
Subject Re: google netblocks records etc
Date Tue, 03 Jun 2008 13:30:31 GMT
D Hill wrote:
> [snip]
> In Postfix:
>
>   reject_unknown_reverse_client_hostname
>     Reject the request when the client IP address has no address->name
>     mapping.
>
>   reject_unknown_client_hostname
>     Reject the request when 1) the client IP address->name mapping fails,
>     2) the name->address mapping fails, or 3) the name->address mapping
>     does not match the client IP address.
>
> reject_unknown_client_hostname would be what you are calling confirmed 
> reverse. If I were to use that, support would start getting phone 
> calls and customers would start getting upset.

He is about check_client_access.

recent postfix also have check_reverse_client_hostname_access which acts 
on PTR (unconfirmed rDNS), but is intended for blocking, not whitelisting.


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