RE: [Exim] Auto_thaw and system_filter interaction?

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Autor: Griffiths M (ISaCS)
Data:  
A: 'Philip Hazel'
CC: 'exim-users@exim.org'
Assumpte: RE: [Exim] Auto_thaw and system_filter interaction?
Hi Philip,
Many thanks for the suggestion. I have now modified the first part of the
system filter to:

if error_message or not first_delivery or "${if >{$message_age}{86400}
{yes}{no}}" is "yes"
then
finish
endif

I have the auto_thaw set to release every hour (this will probably need some
tweaking)
and it seems to be ticking over nicely.

Again many thanks

regards
Martyn

-----Original Message-----
From: Philip Hazel [mailto:ph10@cus.cam.ac.uk]
Sent: Sunday, May 14, 2000 11:03 AM
To: Griffiths M (ISaCS)
Cc: 'exim-users@???'
Subject: Re: [Exim] Auto_thaw and system_filter interaction?


On Fri, 12 May 2000, Griffiths M (ISaCS) wrote:

> We are now using Nigels' system filter produced last week (many thanks

Nigel
> for producing that) and are thinking
> of implementing a 24 hour "quarantine" area on our mail relay boxes only

to
> buffer possible problems like those
> seen last week. We were hoping that by utilising the filters' "...and not
> first_delivery" command and thawing using
> "auto_thaw = 24h" that they would pass the filter by when thawed. However
> what we are seeing is that the
> messages are being thawed correctly but being picked up again by the

filter.

first_delivery remains true until there has actually been a delivery
attempt. By freezing in the system filter you stopped the first delivery
attempt happening.

You could perhaps implement what you want using $message_age.


-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.