Re: [exim] Whitelisting for rDNS-check

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Author: Marc Sherman
Date:  
To: exim-users
Subject: Re: [exim] Whitelisting for rDNS-check
user therion wrote:
> #Deny Hosts without rDNS/only mark message,deny later
> via exim.filter-file!
>
> warn message = Broken Reverse DNS - no host name
> found for IP address $sender_host_address


You've been told not to do that already, but I don't think I saw you
respond; don't do this. It will cause you to collateral-spam faked
senders. Deny in the ACL instead.

- Marc