select Preferences from the Edit menu; go to the Advanced tab and push the Config Editor button; swear that you’ll be careful! search for the following entries and set them to true by double-clicking them: network.protocol-handler.warn-external.http, network.protocol-handler.warn-external.https, network.protocol-handler.warn-external.ftp; that’s it! The next time you’ll click on an http link in an email you’ll see a […]