Hi,
This metod is not exclusive, so using SMTP AUTH helps too, but forcing
the users is not easy, or at least take time.
Abaout Spamassassin, is very good, and again is a complement. Actually,
spamassassin use lots of resources and this metod not.
On 24-06-2004, at 15:51, Eli wrote:
> Danny Bendersky wrote:
>>
>> The idea is that every time a user get connected, to store there this
>> information (using the radius software to do that). The mailcounter is
>> the number of mails he send, at this time is cero. The max_mail is the
>> limit we want to set for that customer per day, maybe 500. This number
>> can be part of a comertial product. As we define the MailQuota, we can
>> define the MaxSentMailPerDay.
>
> Why not just force all your users to use SMTP authentication? Then
> you can
> track how many emails each user sends via login, regardless of IP or
> any
> other information. I don't see how this will truly control any
> outbound
> spam though, since even though they may reconnect to get a different
> IP once
> in a while, all you're doing is limiting the # of emails sent in a day.
>
> You'd be better off filtering the outbound email from your users and
> blocking them from sending any email that gets a high spam rating via
> SpamAssassin checks or something.
>
> Just my 2 cents :)
>
> Eli.
>
>
>
--
Saludos....
Daniel Bendersky.
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