Turn On Do Not Track Feature In Mozilla Thunderbird

Mozilla Thunderbird 15 has the option of “Do not track” associated with it. What this means is that when this feature is turned on, there will be an opt-out  from various advertising and media networks which display targeted ads.surgeprice.display("ihaveapc.com_336x280_abovepost");By default, Do Not Track is off in Thunderbird 15. To enable it : Go to Preferences > Preferences...