What types of e-mails are used in a health care setting?

100% original work with at least 2 references in APA format.
There are many emerging trends and information technology (IT) tools used in health care, such as e-mail between the patient and provider, e-prescribing, and computerized physician order entry (CPOE). Complete the following:

Describe the guidelines for electronic e-mail in health care.
What types of e-mails are used in a health care setting? Examples include the following:

Patient to provider
Provider to provider

List any security measures that are needed to protect the patient health record (PHI), such as encryption, e-prescribing guidelines, and Health Insurance Portability and Accountability Act (HIPAA) guidelines.

 
Be sure to support your information by citing at least 2 references using APA format.