How to restrict users from sending and receiving internet email You may need to block sending and receiving internet email for some users because of a company policy. I had a customer who asked me to implement this for a group of users who were abusing the companies email system and there was no need for those users to send and receive email outside of the domain. By following the procedure in this article you will be able to block the ability to send and receive internet email but retain mail inside your domain. email, block Read More