You must have the Jira Administrator rights to be able to carry out the instructions on this page. You can learn more about this here.
Please, take a look at Supported Platforms section for as well.
Step 1. Go to Jira Administration tab and select “Manage apps” section.
Step 2. You will be redirected to the ’’Find new apps’’ section. Enter “Mail Me” in the search field and find Mail Me in the search result.
Step 3. Click Free trial to get a 30 day free trial license or Buy now to purchase Mail Me license.
✔ You also can install Mail Me directly from Atlassian Marketplace by visiting Mail Me product page here.
Step 1.Go on Administration page to section “Manage apps”
Step 2. You will be redirected to the ‘’Find new apps’’ section, so click ‘’Manage apps’’ and enter ‘’Mail Me’’ in the search field
Step 3. In the window that opens, click “Uninstall”
Note, uninstalling an app permanently removes it from your application and file system. If you only want to temporarily remove it, you can disable your app instead.