ans "Blind Carbon
Copy") contains addresses of recipients of the message whose addresses are not to be revealed to other recipients of the message.
</ul> 

<p class=note>
The LuaSocket <tt>send</tt> function does not care or interpret the 
headers you send, but it gives you full control over what is sent and 
to whom it is sent:
</p>
<ul>
<li> If someone is to receive the message, the e-mail address <em>has</em>
to be in the recipient list. This is the only parameter that controls who
gets a copy of the mes