Mail Settings Lookup - wrong for dodo.com.au
Hi Apple,
https://www.apple.com/support/mail-settings-lookup/
http://www.apple.com/support/assets/xml/mail-settings/isp_list.xml
Please update your system for dodo.com.au to the correct settings as below !
Outgoing Mail Server Server hostname: smtp.dodo.com.au
MacBook Pro (15-inch Mid 2009), Amiga