[Mimedefang] Spam with more than one recipient - reject or not?
Steffen Kaiser
skmimedefang at smail.inf.fh-bonn-rhein-sieg.de
Mon Aug 22 07:08:20 EDT 2005
On Thu, 18 Aug 2005, Matthew.van.Eerde at hbinc.com wrote:
> David F. Skoll wrote:
>> Matthew.van.Eerde at hbinc.com wrote:
>>
>>> Tempfail the second of A and B at RCPT time...
>>
>> There are serious practical problems with this approach:
>
> True. Just brainstorming.
>
> 5. Accept A and B at RCPT time... make a decision at DATA time.
>
> If all recipients agree a message should be rejected, reject it (duh)
> If all recipients agree a message should be accepted, accept it (duh)
> If there's any disagreement, tempfail it ONCE and remember it.
> If there's a retry later, ACCEPT IT. The initial disagreement, plus the fact that there was a real retry, should go a long way toward proving the hammyness of the email.
>
> Drawback... if spammers start retrying, this could be a free ride for a lot of spam.
This is a conditional Greylisting, no?
Bye,
--
Steffen Kaiser
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