Re: [exim] conducive.org

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Autor: Stuart Gall
Data:  
A: David Woodhouse
CC: exim users, W B Hacker
Assumptes nous: [exim] Random sender callout caching WAS conducive.org
Assumpte: Re: [exim] conducive.org

On 18 Oct 2006, at 17:11, David Woodhouse wrote:

> On Wed, 2006-10-18 at 22:06 +0800, W B Hacker wrote:
>> Stuart Gall wrote:
>>
>>> Hello
>>> Is the random callout negative reply cached so that in future
>>> callouts only the sender is checked ?
>>> Which cache ?
>>>
>>>
>>> Stuart.
>>>
>>
>> Dunno what you mean. Wrong thread maybe?
>
> No, it makes perfect sense. I suspect you're now being deliberately
> obtuse.
>
> However, I don't know the answer (at least not without looking at the
> source or documentation as Stuart could have done too) so I didn't
> respond.


I checked the docs, they are unclear about the negative random callout

verify.c
says
   /* If a previous check on a "random" local part was accepted, we  
assume
     that the server does not do any checking on local parts. There  
is therefore
     no point in doing the callout, because it will always be  
successful. If a
     random check previously failed, arrange not to do it again, but  
preserve
     the data in the new record. If a random check is required but  
hasn't been
     done, skip the remaining cache processing. */


It is definitely cached, but my C++ is not up to figuring out which
cache is used.

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