[Mailman-Users] The economics of spam
barry at list.org
Wed Dec 24 13:51:38 CET 2008
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On Dec 24, 2008, at 2:33 AM, Brad Knowles wrote:
> on 12/23/08 2:14 PM, Stephen J. Turnbull said:
>> And the primary maintainer of a piece of software which AFAIK
>> continues to be a source of backscatter might want to be a little
>> careful about suggesting that vendors be billed ....
> We give the list owners and site administrator the option of
> choosing how to configure their lists. So, the choice of who to
> send the bill to would end there.
> And to really solve the backscatter issue in this case would require
> that we integrate tightly enough into the MTA that the processing
> could be done while the sender is held open. The options in that
> space are mostly specific to a given MTA, although postfix also
> supports the sendmail milter interface in addition to the preferred
> policyd method.
> If you wanted to be of service to the community, you could always
> write a milter in Python that would go through all the same checks
> that Mailman would do and indicate back to the MTA whether or not
> the message would be accepted.
Mailman 3 will also probably support LMTP as the default local
delivery mechanism, which I think will address the same issues.
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