https://en.m.wikipedia.org/wiki/Sunk_cost#Fallacy_effectBut I've already paid for someone to set up mailwizz with mailgun on my VPS. I've invested too much to just give up like that.
Therefore, I'd need some kind of clean throwaway list which I can use to warm up my IP and domain.
Related: is there a private group of real email users who will agree to receive and act upon all spam: move from spam folder, open, click and forward.
If so, where?