@KristoferTM great idea! The next update of PixelBlock will not only catch and block the email tracking attempts, but also give you the opportunity to politely give them a read receipt back. ie. unblock the tracking image
I love it, I think I may build in a polite read receipt feature as well
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@guygal absolutely not! You can still use any tracking software you wish on your outgoing emails with no interference whatsoever :)