GIF files), has been going on for as long as there’s been HTML-formatted email. Tracking, using images (often tiny and invisible ones, like 1×1-pixel transparent. The only problem with that would be if everything else about the email uses that URL, in which case whether or not one could even properly receive the email, itself, could be affected. …though other services would obviously use their own), then one can easily block the tracking graphic (or whatever other content, actually) via either one’s HOSTS file, or one’s firewall.
If one knows the URLs used by the various tracking services to display external content in emails for tracking purposes (the one used in Martin’s example is… And when the message is the graphic, itself, then said message is missed, entirely by not allowing external images to display in the GMAIL inbox (of course, usually only spammers do that, so it’s no big deal). However, so doing sure does make one’s incoming HTML-formatted email messages ugly. If one is worried about being tracked, and if the means by which the tracking occurs is the use of external images (and most of the time, it is), then that would stop it, at least in GMAIL. On the “General” settings tab, see the fourth category down: “Images,” in which you’re asked if GMAIL should always display external images, or should ask first. From the main (inbox) screen in GMAIL, click on the little gear-shaped icon in the upper-right, and then select “Settings.”
0 kommentar(er)
