Microsoft Outlook 2010 550 Access denied Invalid HELO name

550 Access denied Invalid HELO name

If you're getting this error when sending out email. Please double check your email setting to use the following For outlook Click Tools then E-mail Accounts... Select "View or change existing e-mail accounts" and click Next Select the email account and click Change Click on "More settings" Select "Outgoing Server" tab Tick "My outgoing server (SMTP) requires authentication" Select "Use same settings as my incoming email server" Click Ok Press Next Lastly, press Finish