Delivery time expiration

[Antonio Montagnani]

James Wilkinson ha scritto / said the following    il giorno/on 
15/02/2006 19:03:
> Scot L. Harris wrote:
>   
>> I think you misunderstand what greylisting is.  Your first message to an
>> MTA that uses greylisting will be delayed.  The delay is a function of
>> your MTA's retry process.  Once that first message is allowed through
>> subsequent messages are auto-whitelisted.  Most implementations expire
>> auto-whitelisted sites so periodically one of your messages may be
>> delayed again.  
>>     
>
> I think one problem arises if a different server retries the e-mail. Red
> Hat's greylisting software will see that the email comes from a
> different IP address, and delay it again with another 451.
>
> Worse, once the e-mail has got through from one server, the others won't
> retry. The greylisting software will spot that the other servers tried
> to send an e-mail and didn't continue until the e-mail was successfully
> delivered, and mark the servers as "dodgy".
>
> Antonio's best bet is to e-mail the mailing list owner (see the URL in
> the standard list signature), and see if Red Hat can whitelist his ISP.
> Obviously, I can make no guarantees that they *will*.
>
> James.
>
>   
James,

just done!!! am I the only one with this problem??? the real problem is 
that I can't solve all other problems (see my posts about strange things 
in Yum....)

-- 
Antonio

Skype: antoniomontag
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