Re: [Exim] reliability problems

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Author: Philip Hazel
Date:  
To: dman
CC: exim-users
Subject: Re: [Exim] reliability problems
On Thu, 6 Jun 2002, dman wrote:

> I recently started testing out maildrop as a delivery agent. I didn't
> want to lose anything (mail or functionality) so I wanted to keep my
> existing exim filter for deliveries, but create a duplicate of every
> message to feed to maildrop. First I tried an "unseen pipe" in the
> system filter. If maildrop exited with an error status, the message
> would stay on the queue until the next run when it would be silently
> dropped.


Was your filter command unconditional? That is, would the "unseen pipe"
command have been obeyed every time the filter was run? If it was
wrapped inside "if first_delivery", for example, you'd get that
behaviour.

> I believe the problem is that the unseen pipe and shadow_transport
> aren't treated as real messages, so when there's a temporary error
> they aren't retried like normal deliveries are.


They should be, assuming they get obeyed at each delivery attempt.

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