Then we keep the me.com setting. Leave it be.
When you send email, you have the option to choose which server to use for sending email.
The email you were trying above, was it a work or .mac email?
If work, then you would need to choose your godaddy outgoing server. If .mac/mobileme, then use the me.com outgoing server.
Choose the server from the popup shown in the picture above.
Let me know if it works.
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