This is in the cloud right. So here the site access means just you are giving him the permission to access the site. If it is for project wise. You may need to work in the Permission schemes in Jira. Please find the below link for the same.
Thanks and Regards
Mone Dileep Kumar
When using an Atlassian account that is not managed, it’s possible to change the email address, but we often receive the following notification on the email that we want to use: Sorry, we couldn'...
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