How to setup Outlook for AKO's POP3 server: Incoming Server: pop.us.army.mil Port: 995 (SSL)
Outgoing Server: mailrouter.us.army.mil Port 465 (SSL)

*You can still use smtp.us.army.mil as an outgoing server, BUT, it will keep popping up with that "Certificate cannot be verified" everytime you send. Reason being, the certificate is related to the "mailrouter" server on it, not smtp. Watch in Youtube