Server Loads/hardware standards - recommendations

Julian Field MailScanner at ecs.soton.ac.uk
Fri Oct 27 14:10:16 IST 2006


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Adri Koppes wrote:
> Julian,
>
>   
>> Glad you find greylisting to be useful, I certainly did.
>>
>> The next thing for you to install is milter-null from 
>> http://www.snertsoft.com/sendmail/milter-null/
>>
>> This will kill all the "your message could not be delivered" 
>> messages you get hundreds of. Completely.
>>     
>
> >From the documentation I have read, milter-null works by adding a hash
> value to each message sent and scans all DSN message for the existance
> of the hash value and then compares it against the know values for
> messages sent earlier.
> As a result of this, milter-null will ONLY work if the message was send
> by the same smtp server, which receives the DSN report.
> When using a split send and receive smtp server, or multiple servers,
> this means some or all DSN reports will be dropped.
>   
I use split send and receive smtp servers, and milter-null works fine. 
Just run it on both servers with the same "secret".

Jules

- -- 
Julian Field MEng CITP
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