These include standard Windows executables (.exe), batch files (.bat), and even JavaScript files (.js). Starting February 13, 2017, Google will not allow JS files to be sent as an attachment ...

Gmail will soon block JavaScript files from being uploaded and sent over email. Starting February 13th, you’ll no longer be able to attach .js files as they are increasingly being used as a form ...

It's easy to attach a file in an iPhone email using the new format bar in Mail with iOS 13, or in the Gmail app. Here's how to do both.