O Outlook.com está neste momento com problemas a enviar emails. Se tentar enviar um email este vai parar na pasta de Rascunhos e não é enviada. Parece também não conseguir receber. Para já, não há comunicações oficiais por parte da Microsoft.
A Microsoft confirma o problema:
"Title: Can't connect to Outlook.com
User Impact: Users may be unable to send email messages.
More info: Previously, users may have been unable to access their outlook.com email accounts. Users may observe that sent emails remain in the Drafts folder.
Current status: We've identified that a subset of infrastructure was unable to process requests as expected, which caused general service availability to drop unexpectedly. We've redirected requests to alternate infrastructure to restore service, and we're monitoring the environment while connectivity recovers. Additionally, we're investigating an issue in which users are unable to send email messages.
Start time: Monday, September 18, 2017, at 7:20 AM UTC
Next update by: Monday, September 18, 2017, at 4:30 PM UTC"