with GoDaddy, ensure that the magic_quotes_gpc setting in the php.ini file is not enabled. they will allow you to create a custom php.ini file to turn this off. If you need assistance wit hthe custom php.ini file, you should contact godaddy.
In the Power Messenger settings, uncheck the Use Additional Email Parameters option and download the updated files that I sent to mrobben375515 in message 4 of this thread.
Download the files that I sent to mrobben375515 in message 4 of this thread, they are updated files and will be newer than the ones included with the power messenger zip file.
Power Messenger cannot be used with SMTP servers that require authentication. Power Messenger uses the php mail() function to communicate with the SMTP server. the php mail() function does not offer support for passing authentication to the SMTP server.