Re: [exim] Ratelimit Tricks - Using ratelimit without limiti…

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Autor: Dean Brooks
Data:  
Para: exim-users
Assunto: Re: [exim] Ratelimit Tricks - Using ratelimit without limitingtherate
On Mon, Jun 18, 2007 at 04:16:49PM +0100, Graeme Fowler wrote:
> On Mon, 2007-06-18 at 08:01 -0700, Marc Perkel wrote:
> > There you go again. The answer isn't in the docs because I don't want to
> > set the rate limit to 0. I want to detect a rate and return it into a
> > variable that I can use in another ACL. It helps if you read the
> > question before giving me the RTFM answer that you always reply with.
>
> There I go again, yes. From TFM:
>
>    The ratelimit ACL condition can be used to measure and control the
> rate at which clients can send email. 

>
> That's "measure and control". The key word here is "measure".
>
> If you use, in your ACL, a "warn" statement where the current rate is
> compared to a rate of 0, then - as if by magic - all the variables that
> the rate limiting code utilises will get populated with data. If you
> don't put any "ratelimit =" statements in, they remain empty.
>
> If you don't want to do any rate limiting, use a rate of 0 and a period
> defined by you, in a "warn" statement, and then use the variables
> afterwards.


The only caveat is that there is not currently a way to read the value
of a ratelimit counter without causing the counter to advance at
least once in the ACLs.

This was discussed last November here:

http://www.exim.org/mail-archives/exim-users/Week-of-Mon-20061106/msg00323.html

--
Dean Brooks
dean@???