[Users] Authentication error

[Paul]

On Mon, 10 Aug 2015 00:26:19 +0000
Libby Hughes <libby_hughe5 at hotmail.com> wrote: 

> When I try to send encrypted emails in Claws, 

Whether the mail is encrypted or not won't make a difference. Or
perhaps you mean an encrypted connection rather than an encrypted
mail?

> * Account 'emily_wil0 at hotmail.com@pop-mail.outlook.com'

AFAIK, you must use your full email as username for hotmail. Try
using your email address and drop the extra part.

with regards

Paul