To access the new dashboard; User/Receiver to Login to self-service portal here choose PT v2
If Reset password is required, simply click "Forgot password"

Make sure to select your correct country then hit forgot password, selecting the wrong country will result in not receiving the re-set email:

Add your registered email, make sure the spelling is correct:

Please note that if you didn't get the password re-set email, that means you have chosen the wrong country while trying to log in / re-set the password.