Hello, 退订邮件组的邮件，可以发送任意内容的邮件到 [email protected] 取消订阅来自 [email protected] 邮件组的邮件
邮件组的订阅管理，可以参考[1] 祝好， Leonard Xu [1] https://flink.apache.org/community.html#how-to-subscribe-to-a-mailing-list <https://flink.apache.org/community.html#how-to-subscribe-to-a-mailing-list>
