Re:Apple’s Ad-Targeting Crackdown Shakes Up Ad Market
by tpxl on Tuesday December 10, 2019 @08:46AM
(#21752340)
Under GDPR this kind of self advertising falls under legitimate use of an email address, so if you inform the user you'll send them the emails, it's legal to do so without explicit opt-in. (AFAIK IANAL)
Fortunately, at least in the EU that's illegal.