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Re: [Mailman] Excessive or fatal bounces

There is already extensive spam and virus filtering at a system level,
but it's never going to match an external system exactly. We will work on
improving that when we can, and you can see the current configuration
at https://salsa.debian.org/alioth-lists-team/ansible (mainly the
exim role). Feel free to suggest improvements too!

Meantime, I suggest you set up moderation of non-member posts; that tends
to get rid of most spam without having a large impact on most uses of lists.
Of course, you need to have some fairly regular moderation setup to
ensure that legitimate email is not unduly delayed, and then liberally
whitelist non-spam non-subscriber posters.


On Thu, Jul 12, 2018 at 03:15:23PM +0200, Markus Koschany wrote:
> Hello,
> I regularly receive bounce action notifications from mailman about
> disabled subscriptions. This is caused by remote SMTP servers rejecting
> spam email from pkg-games-devel@alioth-lists.debian.net. The recipients
> email address is valid and he is an active list member.
> How can I avoid that his subscription gets disabled by mailman? I
> presume just increasing the value for fatal bounces isn't the best
> solution? How can I turn off bounce action notifications? Is there a way
> to enable a more efficient spam filter for our mailing list? Currently
> we receive way too much spam email and I wonder if there is already a
> standard mail filter in place which we could use for our list too?
> Regards,
> Markus

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> Mailman@alioth-lists.debian.net
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