The university is in a bit of pickle at the moment, as apparently all messages sent from the university are being blocked by Hotmail. This, as you may be able to imagine, is highly inconvenient – many students have their email forwarded to their Hotmail accounts, and any messages to prospective students who use Hotmail will also get lost.
From what I can gather the block refers to the university mail server, so merely changing your email address to something else won’t work. This affects me because I normally use the university’s SMTP server, since it’s accessible from anywhere with a username and password and supports TLS encryption. So any messages to people on Hotmail will probably come via my Gmail account for the time being.
Naturally the university were not told that Hotmail had blocked them, and it’s only come to light about a week after the emails first started going missing. They’re not even being delivered to the Junk Mail folder, they’re actually being deleted outright.