On 02/08/2010 07:26 PM, ShaunR wrote:
>> Is there a reason why your secondary MX can't perform the same spam
>> filtering as your primary MX?
>
> Problem still is that if a spammer sends a piece of mail to a mailbox
> that doesn't exist the secondary MX server will still accept it (if it
> gets past the spam checks) and then the server will try to deliver it to
> the primary.  I'm trying to eliminate that.

When he says "the same" he means "including knowing what usernames
are valid".   Ditch that catchall behavior, it's an attractive nuisance.

-- 
Jeremy

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