Thank you for your explanation. I've further understand a mailing lists' 
working.

So if a problem on netbsd-help was solve between 2 people in private, the 
public cannot view the conversation that took place.
Threads are sorted automatically according to subject formating.

Am I right with the 2 statments above?

> On Jun 28, 2007, at 5:29 PM, Celius Clefia wrote:
> > I've read but never tried posting here before. Read some guides to  
> > mailing
> > list but still couldn't understand the concept behind it.
> 
> Okay.  Well, welcome....
> 
> > 1. Must I subscribe to a mailing list to participate?
> 
> That depends on how the mailing list in question is configured.
> 
> For many lists, the answer is yes, you would need to subscribe to  
> post, but it's common for the generic BSD "help" lists (ie, <netbsd- 
> help@netbsd.org>, <freebsd-questions@freebsd.org>, etc) to allow  
> unsubscribed posting.
> 
> > 2. Who do I reply to when I get a reply? The mailing list, the  
> > person who
> > replied, or both?
> 
> This tends to be a local convention which varies, and some judgement  
> is applicable.
> 
> Again, for lists like this one, where you know that people might not  
> be subscribed, it's considered normal for people to send replies to  
> the list and CC: the individual as well.
> 
> On the other hand, if you know that someone reads the list, one might  
> simply send replies directly to the list.
> 
> > 3. Now I have noticed that people replies to only the sender's email
> > address but how does the reply get listed on the archive when the  
> > reply
> > was directed to the sender's email?
> 
> The list only archives postings sent to the list.  If you send  
> private email just to the person, it's not going to appear on the  
> archives.
> 
> > I haven't subscribe to any mailing list yet.
> 
> OK.  And thus we send email to you as well as to the list...  :-)
> 
> -- 
> -Chuck
> 
>