You don't. JIRA expects you to share reports by having users actually use it. This means they get to see dynamic, up-to-date reports and encourages them to work out their own. So there's no "email this instantly obsolete report to other users".
Share your filters and dashboards and talk to your other users about using them.
You can set up filter that users or groups can subscribe to. More details about that here: https://confluence.atlassian.com/jira/receiving-search-results-via-email-185729664.html
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