Good morning,
For now i am using spamguard, i now it is not a perfect solution,
but it is better to have it than have nothing.
Thanks.
On Fri, 2011-07-22 at 18:23 -0700, Eric Shubert wrote:
> Do you know for sure that they're coming from an external source? Could
> it be an infected machine that's sending them?
>
> In either case, I don't know of a way to throttle a user's activity. I
> would check the logs for the offending account(s), and change the
> password(s).
>
> Also, be sure that no passwords are ever sent in the clear.
>
> I wouldn't expect that fail2ban would be of much help, as there's no
> failure. I could be wrong about this though.
>
> I like the way that gmane.org handles this sort of thing. It throttles
> user submissions such that it only allows one message to be relayed
> every 5 minutes per account. It does accept them, but simply queues them
> up and sends them on at a slower pace. I'd like to see a patch to
> qmail-remote that would do such a thing, but I'm not aware of one.
> Wouldn't be too terribly difficult to code I would think.
>
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