GMail has started reporting to marketers whether you opened an email: http://t.co/O1DpCgU4N9. Turn off: General>Settings>External Content
— Jacob (@j4cob) December 12, 2013
GMail has started reporting to marketers whether you opened an email: http://t.co/O1DpCgU4N9. Turn off: General>Settings>External Content
— Jacob (@j4cob) December 12, 2013