What is My Email to Salesforce?
My Email to Salesforce is a feature that allows you to paste a unique email address into the bcc field when communicating with your leads or customers. This automatically associates the email record with the related contact record to preserve all of your communication with your customers.
Why is My Email to Salesforce important?
It is important to note that this video describes how to setup this for your organization, not for individual agents.
More Email to Salesforce information.