編集された投稿を自動的に再送信

[Lilly (Lillian Louis)]

これは不可能で、仕様によるものだと信じています

Edited posts are not sent via email in mailing list mode

I think this is by design and not a bug. Mailing list mode already generates a huge number of emails, so not sending new emails for edits may have been put in place to limit the number of emails that get sent.