Help with queue backup

[Vicchiullo, Rob]

OK specs first
Sun E220 with 4 455 sparc processors and 2 gigs of ram.
We get roughly 70k-90k emails a day.

My problem is this, in the most days in the morning I get a storm of
emails come through all at once.
That puts my inbound queue to around 2500. Once this happens MailScanner
never catches up. The inbound queue then rises until I have to manually
go in and move files over to the outbound queue. This is obviously
unacceptable.
I have tried all the common things like lower child, raising child. 
I have Spamassassin off right now because when that is turned on my load
go crazy (that is another problem, but this is more important).
Any ideas would be appreciated.
I love Mailscanner but I can't see having to manually clear my queue
ever morning.

Rob

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