> Like as not your ISP prevents you from sending email on port 25 except
> for delivery to their mail server.
>
> can you telnet on port 25 to the external mail servers?  My guess is
> that youre' going to time out when you try to do that.  You may need to
> forward all your mail through your ISP's mail relay.
>> Raymond


I am going to replace the firewall. It seems to be contributing to the
problem. Upon restarting it many of the messages are able to be delivered
from the queue. A few that should go never do leave the queue.