Hotmail/MSN/Live is only delivering replies to Hotmail/MSN/Live messages. New messages sent to Hotmail/MSN/Live accounts are not being delivered. We are working with Microsoft directly to restore delivery of all messages.
You will not receive a bounce-back message alerting you to the issue. Until this problem is resolved, we recommend sending important messages via a non ups.edu account or communicating with the recipient via another medium.