Re: [Exim] Callout timeouts: opinions sought

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Autor: Ian Eiloart
Data:  
A: Philip Hazel, exim-users
Assumpte: Re: [Exim] Callout timeouts: opinions sought

--On Thursday, August 19, 2004 12:30 pm +0100 Philip Hazel
<ph10@???> wrote:

> It has been pointed out that the callout timeout, e.g. as set by
>
>    verify = sender/callout=10s



> applies to individual connections and commands within the callout. If a
> domain has a very large number of hosts (and some do have dozens: look
> at newsabuse.net) and all of them are timing out, the overall time taken
> for the callout to fail can be riduculously long. This can cause trouble
> further back.
>
> I think it is clear that we need an overall timeout on the callout
> process. The question is whether
>
>    (a) To invent a totally new parameter ("overall callout timeout");
>    OR
>    (b) The redefine the existing callout time to be an overall timeout as
>        well as a timeout on individual connections and SMTP commands.
>    OR
>    (c) To take some multiple of the existing callout time (e.g. 4 times).

>

Hmm, I'm not sure that I'm bothered either way

What I would like to be able to do though, is respond to a rejection after
MAIL FROM:<> in a different way than I respond to a recipient rejection.


--
Ian Eiloart
Servers Team
Sussex University ITS