In message <200410251938.i9PJcUK5010589@herd.plethora.net>, Peter Seebach write
s:
>In message <20041025193617.8AF631AE80@berkshire.research.att.com>, "Steven M. 
>B
>ellovin" writes:
>>different keepalive timeouts?  A tunneled pop connection that's polled 
>>often enoug?
>
>No tunneling I know of.  OS X's default keepalive timeout is about 10x
>NetBSD's.
>

One easy test is to run something like

while true
do	echo -n .
	sleep 60
done

on your session, and see what happens.

		--Steve Bellovin, http://www.research.att.com/~smb