Last updated: 2017-07-21

Source: https://support.freshdesk.com/support/solutions/articles/225456-why-is-a-ticket-created-in-freshdesk-whenever-a-comment-is-added-in-jira-

This usually happens when you configure notifications in JIRA and it is linked to one of the support addresses configured in Freshdesk.

You can just remove the support email address from the notification settings within JIRA to prevent this.