Dear, I deactivated jetpack because i was checking

Dear,
I deactivated jetpack because i was checking a possible conflict with Subscribe by Email.
When I try to connect it again to my website I get the following error message.
Do you have any idea why?

Your website needs to be publicly accessible to use Jetpack: site_inaccessible
Error Details: The Jetpack server was unable to communicate with your site http://www.pixshopping.com [IXR -32300: transport error: http_request_failed Connection timed out after 2000 milliseconds]

Thanks.
Paddy