YOU SAID:

think we should change the email content for this case

INTO JAPANESE

この場合はメールの内容を変更するべきだと思います

BACK INTO ENGLISH

I think in this case you should change the content of the email

INTO JAPANESE

私はこの場合あなたが電子メールの内容を変えるべきだと思います

BACK INTO ENGLISH

I think in this case you should change the content of the email