we used to have jira and confluence server products, but have moved to cloud equivalents for some time. and no longer need notifications for their vulnerabilities.
The email signs off "You are receiving this email because this is an important message regarding your account and products you are using. You are not allowed to unsubscribe from this type of message. "
However a UK law states unsubscribe is a requirement, REF: https://www.gov.uk/marketing-advertising-law/direct-marketing
please add unsubscribe link,
thanks,