On 12/14/2009 6:03 PM, Cliff Hayes wrote: > Here's what I'm using (100m) > /bin/mount -t tmpfs -o size=100m,mode=0700,uid=defang,gid=defang /dev/shm > /var/spool/MIMEDefang I use 300MB currently on a system which processes around 200K msgs a day. It filled up once in 5+ years, during a massive attachment spam, but recovered gracefully (no crash).