Hi, since Firefox is not a email client what do you use to get your mail , Thunderbird ? Or is this a online mail account and you were viewing your mail through Firefox. Either way has nothing to do with Firefox. But we can try to help you figure it out but more information is needed please .

Separate Security Issue, please update your Flash 23.0 r0 by removing it with the below as it is to old to update and to old for remains to be left behind : https://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html Reinstall with Flash Player Version: 30.0.0.113 Current Version https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, . . . .) Note: Other software is offered in the download. <Windows Only>