550 5.1.1 <abuse@gametracker.com>: Recipient address rejected: User unknown in virtual alias table

Yesterday or today my account kiwi1up https://www.gametracker.com/kiwi1up/ got banned and I don't even know the reason everyting i done on that was adding nicknames for servers , joined a clan , changed backgrounds and reported 2 servers , one of them was banned eventually
Anw , today when i logged on the account i was greeted with that : https://imgur.com/a/SXfrNX3
So , like a normal person , I saw i need to send a email for ban appeal to this mail : abuse@gametracker.com but the email don't work
https://imgur.com/a/8GOvskM
I tried 3 times and i get the same response from google server
How can I appeal the ban then ?
PS:1. yes , the email sent it's from the same email which i got banned
2. I will delete this secondary/temporary account myself as soon i got a response for my problem , i just want my kiwi1up account back :< , i tried my best to customize it and make it look beautiful , fill the nicknames which i played it , even featured it on game forums

Still waiting a response
No response on Forum and still an unfunctional email service
https://i.imgur.com/a5zp6U9.png

12/6/2021 Still unfunctional email service

Thank you for bringing this issue to our attention. We have identified the issue and abuse@gametracker.com is now functional.

Please note this email address should only be used for DMCA and copyright claims.

To appeal an account suspensions please contact support@gametracker.com.