Luis got himself in trouble by accidentally sending an e-mail to a client instead of his coworker. He resolved to be more careful in the future to prevent this from happening again. Luis can use these practices to help him avoid sending out e-mail to the wrong person.

Explanation:

There are two main practices that Luis needs to make into a habit of doing every time he sends an e-mail, these are

Taking into account both of these practices will make sure that Luis is sending the written e-mail to the correct individual's address and also making sure that he is not sending the e-mail to any other individual by accident when using the Reply to All feature.