The message could not be sent because the server rejected the sender's e-mail address. The sender's e-mail address was'Email removed for privacy'. Subject 'Veðurstofa Íslands - Staðarspár - sjálfvirk veðurspá fyrir allt Ísland', Account: 'Hotmail (1)', Server: 'smtp.live.com', Protocol: SMTP, Server Response: '550 5.7.3 Requested action aborted; user not authenticated', Port: 587, Secure(SSL): Yes, Server Error: 550, Error Number: 0x800CCC78

Your Hotmail account is not configured properly in Outlook Express. See... How to access your Hotmail account in Microsoft Outlook Express http://windowslivehelp.com/solution.aspx?solutionid=99d4b13d-13db-40d8-9cdf-172002d4194cCompare your configuration settings to those listed on this page: http://liveunplugged.wordpress.com/2010/03/12/hotmail-and-msn-accounts-pop3smtp-access/TIP: OE Tools | Accounts | Mail | [new Hotmail POP3 account] | Properties | Servers | Incoming mail server | Log on using Secure Password Authentication <=Do NOT check/enable this option!TIP: OE Tools | Accounts | Mail | [new Hotmail POP3 account] | Properties | Servers | Outgoing mail server | My server requires authentication <=check/enable this optionTIP: OE Tools | Accounts | Mail | [new Hotmail POP3 account] | Properties | Advanced: => Outgoing (SMTP) server port will need to be 587 (not 25) for most users => Incoming (POP3) server should be port 995 => Both SSL options must be checked/enabledTIP: Disable email scanning by your anti-virus application. It provides no additional protection and it may be causing your problem. • Why you don't need your anti-virus to scan your email http://thundercloud.net/infoave/tutorials/email-scanning/index.htmYou will find support for Outlook Express in this forum => http://social.answers.microsoft.com/Forums/en-US/xpnetwork/threads~Robear Dyer (PA Bear) ~ MS MVP (IE, Mail, Security, Windows & Update Services) since 2002 ~ Disclaimer: MS MVPs neither represent nor work for Microsoft