Email security, both within the corporate network and for users who need to access their corporate email remotely. which protocols can you use to accomplish this?

TCP and SMTP Protocol

Explanation:

In corporate network as well as remote access to corporate email, both TCP (Transmission Control Protocol) and SMTP(Simple Mail Transfer Protocol) can be used to achieve the email security.

difference where there's no picture?

the correct answer is: a.)it is never appropriate to use acronyms and emoticons in business communication.