If your Meteotemplate web is hosted on Altervista, you need to change the /report/index.php file with this one, due to restrictions on
file_get_contents on Altervista.

You also need to remove the whitelist restrictions:

Go on the control panel of Altervista.
Click on menù RESOURCES
Look for the PHP panel
Click on "Modify PHP settings" 
Move down the page until you find "Server to Server Connections"
Put your mobilephone number in the form and follow the procedure with the SMS
Click on the "Externa connection without restrictions"
Clikc on Save
