We are proud to have been providing this service to users. In fact we originally started as a wallet watcher service
However, we are pivoting away from wallet watcher and focusing more on merchants services. Thus to focus our resources we have disabled email notifications for transactions. Users will still be able to view address/xpub balance and we will continue to work on making our blockexplorer better.
We really appreciate all the support from users using us and helping us to constantly improve 
There are alternate few services that can be used to get notifications: