Please configure mail server settings

Please configure mail server settings

Hi guys,
 
Running build 4530 every time I try to schedule a report I get "Please configure mail server settings" and then redirected to the mail server settings page. The server name is in there as well as the port number, and sending a test message works ok.
 
Do you have any advice as to why it wont acknowlege that the server settings are entered?
 
Regards
Elliot

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