If your not receiving the validation email, see this steps in this guide here.
It's ridiculous that this is still a thing after all these years. I put a stop payment on my CC. I'll play free for a bit and see if they fixed anything else in the game because honestly if this is still a problem (and it's so easy for them to fix) I'm sure they have been just as lazy with the game.
Just be aware that if chargebacks occur, EA have a tendancy to immediately place a lock on the EA/origin account and swtor account, and this can be permanent
to fix the game validation email if you can login , use an email never used on any ea/origin or swtor account, and then it should validate, after validation you should be able to return to the original email address
I strongly recommend calling swtor cs if you cant resolve this
