I know most of you already know this but some don't hence this post
If you like to hide email address from other recipients while sending
to multiple recipients, this article will explain how to do. I believe
this will be helpful for organization and those who are concerned about
STEPS TO FOLLOW
Whenever you send mail to group of mails, fill the mail address in BCC field instead of To field (leave the To field empty).
BCC is expanded as Blind Carbon Copy.
The receiver will see sender and his address.
He can't see others address.