On Fri, Jan 30, 2009 at 09:14:32PM +0100, Martijn Brinkers wrote:
> > > If the filter queue size is larger than 500 messages (lower level) wait
> > > some time X in the RCPT handler of the filter and then continue
> > > normally. If size is larger than 1000 (upper level) return 450.
> >
> > Seems to me something is broken if the filter processing speed
> > is affected by the size if the postfix queue.
>
> I may have not be clear enough. The processing speed of the filter
> depends on the size of the message. What I suggest is that I slow down
> the message recipient process (add some wait time when the filter
> receives RCPT from Postfix) when the queue size of the filter becomes
> too large (soft-limit). Currently there is only a hard-limit.
THe correct solution is not reply to "." until the message has been
forwarded to the MTA downstream of the filter, and to return *that*
MTAs response to "." as the filter's response to ".". No queue, no mess.
--
Viktor.
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