Michelle:  I had the same problem today and found this posting on the 
LSMTP-L archives...

http://peach.ease.lsoft.com/scripts/wa.exe?A2=ind0406&L=LSMTP-L&P=R2&I=-3

Check the LSMTP spool to see if you've got a lot of old .MAIL files.   I 
had some -very- old ones in there that had built up over time.  Removing 
them fixed my delivery delays.

--Garrie





Michelle Wilbers <[log in to unmask]> 
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07/27/2005 01:27 PM
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Subject
LSMTP Error






LISTSERV deliveries have slowed to a trickle, so I checked the logs. 
Nothing
unusual in LISTSERV, but the LSMTP log is filled with:

00:00:30 listserv_delivery: error reading from message file, status =
%LSMTP-E-LINE_BUFFERFULL, Line too long for buffer

No indication in the log as to which message file is the problem. Does
anyone know how to fix this problem so I can get the mail flowing normally
again?

Thanks,
Michelle