Philip Hazel 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).
>
> The default timeout, incidentally, is 30s.
>
> I feel that inventing a totally new parameter is making this whole thing
> too complicated, but you may think differently.
>
> Opinions?
What do you think about yet another timeout for connect only ?
From my experience it makes difference if you wait for connection
establishment or response over established connection.
--
Andrzej [en:Andrew] Adam Filip anfi@??? anfi@???
http://anfi.homeunix.net/ http://anfi.homeunix.net/exim/
