Mail Delivery within Local Domain Takes Hours

[Maxine Simpson]

Hello,

	This is my first post....here goes...

	My mail server is a FreeBSD box running sendmail and cucipop.  Cucipop is
doing its authentication with Radius.

	I realize this is 'bare bones' information (and would happily supply
more) - but my situation is this:

	1.  Mail leaving our local domain is delivered to domains outside within a
minute or two.

	2.  Mail coming into our local domain is also delivered within a minute or
two.

	3.  Mail between users in our local domain (user1 at ourdomain.com to
user2 at ourdomain.com) takes ~4 hours to be delivered.  (???)

	Any thoughts on what might be causing this?

Thanks in advance,
Maxine