News Gmail will block JavaScript attachments, a common source of malware In February, the .JS file extension will be added to a list of 31 file types that Gmail already blocks By Lucian Constantin ...

For what we're sure are obvious reasons, Google has long blocked certain types of attachments from being sent through its Gmail service. Those include .bat (Windows Batch), .exe (Windows ...

The decision to block JavaScript file attachments has been taken keeping in mind security reasons (JavaScript files can easily run executables, a trick commonly used by computer hackers).