What one can do is waiting for 15 to 20 minutes until the server issue is resolved. Outlook has several servers and a wide network which is taken care of by capable engineers. The problem is resolved and customers can resume their work on outlook account shortly. Usually this type of problem is not very common and if you have any urgent requirement you can try to login from a separate computer and a different Internet connection. Call the outlook customer support team if you have any issues in resolving the problem and get finest possible remedies.
checkout :- http://www.mailcustomersupport.com/outlook-technical-support.php
Live Microsoft Outlook Support Fix SMTP Server error in e-mail
Live Microsoft Outlook Support Fix SMTP Server error in e-mail
This type of problem is encountered when there is some issue with the server of the outlook network
With: