[Pkg-mailman-hackers] Bug#520040: Bug#520040: mailman: postfix-to-mailman.py: use relay_recipient_maps to avoid backscatter mail

[Thijs Kinkhorst]

On tiisdei 17 Maart 2009, Tanguy Ortolo wrote:
> I think the most beautiful way to use Mailman with Postfix is to dedicate
> it a domain, and to use the specific transport to relay mail to it. But… as
> Postfix does not know the valid addresses, messages to invalid recipients
> are treated with bounces, that result in backscatter mail.
>
> I found a way to avoid such bounces, and rather make Postfix refuse the
> invalid messages during the client SMTP connexion. Indeed, for alias-based
> configurations, Mailman is able to generate an Postfix-style alias table.
> With the dedicated transport, we do not need this table, but… it can be
> used as a relay recipient map, to make Postfix know wich addresses are
> valid for the relayed domain!
>
> So, here is a small patch for postfix-to-mailman.py, that modifies the
> integration instructions. Hope it may be useful.

Thanks for the report and thanks for including a patch! I have applied it and 
it will be included in the next upload.


cheers,
Thijs
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