1. Reply to your emails — even if the email wasn’t intended for you.

It’s difficult to reply to every email message ever sent to you, but you should try to, Pachter says. This includes when the email was accidentally sent to you, especially if the sender is expecting a reply. A reply isn’t necessary but serves as good email etiquette, especially if this person works in the same company or industry as you.

Read More: How to Unsend an Email on Gmail in 5 Simple Steps