Nope. In the UK and EU (and probably other places!) you can’t send someone email marketing unless they explicitly opt in (i.e. no pre-ticked boxes either) [1].

Also, it is presicely spam because I don’t want it, whether you have a right or even obligation to send it or not.

[1] https://ico.org.uk/for-organisations/guide-to-data-protectio...