procmail not including header info

Here's the situation...
I have a Solaris box with Sendmail and procmail v3.14 set as the local
mailer.
When I try to send a message from the command line with echo test | procmail
xxx
(where xxx is a valid user on the system with a .forward file forwarding to
another mail host) the message stays in /var/mail/xxx
If I take a look at /var/mail/xxx the message is ther but it has very
limited header info:

> From xxx  Mon May 15 13:28:23 2000
test

If I try echo test | mailx xxx  the message goes through just fine.
If I remove the .forward and send the message again using mailx, and then
look at /var/mail/xxx it looks like:

Received: (from xxx(_at_)localhost)
        by foo.ezenet.com (8.9.3/8.9.0) id JAA27280
        for xxx; Wed, 17 May 2000 09:30:57 -0400 (EDT)
Date: Wed, 17 May 2000 09:30:57 -0400 (EDT)
From: xxx
Message-Id: <200005171330(_dot_)JAA27280(_at_)foo(_dot_)abc(_dot_)com>
To: xxx

test


Does anyone know how I can get procmail to include the appropriate header
info so that the message gets sent properly?

Thanks,

..P