Reset my mac license, please

Dear Marginnote Service team,

I forgot to de-activate my license before factory-resetting my macbook.
Please reset my license to register my macs.

I did send this email to [] several times by my email address.
I had sent my mail as, and an university mail of
And I alse sent for that e-mail address with my detailed information.

Could you answer to my previously sent mail?

Best regards