You can always verify a specific group/page by copy the link and paste it into your browser's 'private mode' i.e. without login credentials.
Hi @Fuat Balta
As my colleagues have told you, it is an open community, a space where you can share, learn, answer questions and meet wonderful people who are always willing to help you with atlassian products or if you have anything else you need.
Welcome to participate
Cheers