[fetchmail]Mail not flushed

Hi,
 
I am using Fedora core 1 with latest fetchmail-6.2.5-1. My .fetchmailrc is as 
below
 
set postmaster "postmaster"
set bouncemail
set no spambounce
poll x.x.x.x with proto pop3 timeout 120 envelope X-MDRcpt-To:
aka abc.com
user 'xyz' there with password 'xyz' is 'pqr' 'lmn' here options fetchall
 
But some times if some body send mail around 2mb then fetchmail download mail 
and showing not flushed in fetchmaillog and repeated same task again and again.
I am running fetchmail deamon as below which delete every mail after download.
/usr/bin/fetchmail -e1 -d120 -L /var/log/fetchmaillog
 
Then why some big mails not flushed.
 
Please help
 
 
Regard's
 
Nayan
 


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