Re: [Exim] Using ACL to block spaam... possible?

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Autor: Nico Erfurth
Data:  
Para: Tim Jackson
CC: exim-users@exim.org
Assunto: Re: [Exim] Using ACL to block spaam... possible?
On Sun, 23 Mar 2003, Tim Jackson wrote:

> To be fair, that's a fairly subtle mistake of the kind that any of us
> could probably make on a bad day, so I apologise for being slightly abrupt
> yesterday. Assuming however that the small change above gets the
> unrestricted relaying sorted, let us know if you have any further problems
> with getting SMTP AUTH working. Take care to make sure that you can't
> authenticate by using an empty username or password, as that seems to be
> something that happens quite often, and there additionally seems to be
> some evidence that spammers are starting to exploit it.


I've tried to contact the ORDB-people one week ago, to add a check for
this, but no reply yet :-/

I think we'll see this happen very often in the next time, so we should
take countermeasures BEFORE this becomes a problem.

Nico