On 2010-06-10 Jerrale Gayle wrote:
> On 6/10/2010 6:31 PM, Sahil Tandon wrote:
>> On Thu, 10 Jun 2010, Jerrale Gayle wrote:
>>> I want to accept all mail to non-existent users, then bounce, so
>>> that people can't probe for valid users to know wherer to start a
>>> brute force.
>>      
>> This is a horrible idea; please do not do this.  Google
>> 'backscatter'.
>    
> IF I have repeating undeliverable mail being redirected to
> postmas...@mydomain, I don't see why this would be a bad idea.

Because - as Sahil already said - you'll create backscatter that way.
Which will cause trouble for every other mail admin in the world and
thus get you blacklisted really fast. And rightfully so.

Don't do this. Ever.

Regards
Angar Wiechers
-- 
"Abstractions save us time working, but they don't save us time learning."
--Joel Spolsky

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