Re:Spy pixels in emails 'have become endemic'
by relix on Wednesday February 17, 2021 @02:16PM
(#26170275)
Unfortunately I don't believe this is limited to Google. For example Yahoo lists the same best practices on their bulk sending best practices: https://postmaster.verizonmedia.com/best-practices
Is there a reliable way to tell if an account is forwarding to Gmail? That way, you could reserve your spammer tools (not judging you for using them) for gmail users, and treat the rest of your subscribers with the respect you clearly intended.