YOU SAID:
If you have received this communication in error, please notify the sender immediately and destroy any electronic or paper copy of this transmission together with any attachments
INTO JAPANESE
この連絡を誤って受信した場合は、直ちに送信者に通知し、この送信の電子コピーまたはコピーを添付ファイルと共に破棄してください
BACK INTO ENGLISH
If you received this communication by mistake, immediately notify the sender and discard the electronic copy or copy of this transmission along with the attachment
INTO JAPANESE
誤ってこの連絡を受け取った場合は、直ちに送信者に通知し、この送信の電子コピーまたはコピーを添付ファイルと共に破棄してください
BACK INTO ENGLISH
If you received this communication by mistake, immediately notify the sender and discard the electronic copy or copy of this transmission along with the attachment
That didn't even make that much sense in English.