On 2 Feb 2003 at 13:50, Shing-Fat Fred Ma wrote:

> I'm finding that I sometimes receive email on a thread
> that is also posted to a mailing list or newsgroup.
> [...] So if you just email to the list, everyone will see
> it, including the person you want to email. [...] This is
> the etiquette in newsgroups, but it's not as visibly
> conveyed in all mailing lists. [...] There is another
> reason why this is the etiquette in newgroups.
> Participants may engage in discussions as they see fit,
> and opt out (temporarily or otherwise, for whatever
> reason) as they wish. 

The etiquette depends on who is asked.

I usually send both to the original sender and to the forum I am reading. I have 
often gone to some degree of effort to answer a poster's question only to 
discover he/she re-posting the same question later because they didn't 
receive the reply. This is incredibly annoying, so unless I'm certain of their 
method of participation, I will copy them personally.

There are mailing-lists, newsgroups, echo-lists, sub-lists, EMail to Usenet 
gateways, Usenet to EMail gateways, Web Forum to EMail gateways, EMail 
to Web Forum gateways, some accept public submission, some don't, some 
echo to a parent-list, some echo to a child-list, some don't echo. Sometimes 
it's not apparent from the headers what forum a person is using to post a 
message. Sometime the reader won't have the experience to interpret the 
headers when it is obvious. 

And sometimes, the original questioner is just too clueless or lazy to filter 
through the forum in which they are posting!

If in doubt, copy the original sender. If they are offended by receiving a direct 
EMail response (that's happened to me a total of once in 20+ years) then 
they're probably a troll in search of a flame, and the mistake was mine for 
bothering to try and help such a person. That's my etiquette.

In the case of your own message, I have had to copy you personally to be 
sure that you receive this. I am posting to the VNC list, but the headers on 
your message indicate that it was posted to a tight-vnc list also. Are you a 
subscriber to the VNC list? Are you a subscriber to the Tight VNC list? Both? 
Is one an echo of the other? Is one a sub-list? The questions are rhetorical. 
The point is I don't know that you'll receive a copy from the VNC list.

> The problem is that there is no information on the
> headers that the email is also posted to the forum.  

There should be. This is probably a factor of your particular EMail client not 
displaying the headers you desire.

> So my reply is not copied to the forum.  The thread is
> broken, and that defeats the purpose of the forum. 
> 
> Because this is happening alot lately I think it might be
> the default behaviour of certain mailing programs (maybe
> the only behaviour?).  

The default behavior of many free EMail clients. Outlook Express comes to 
mind, with its "Reply" and "Reply-All" buttons. I would suggest using "Reply-
All" on such programs, then looking at the To: line it generates and deleting 
addresses that are not appropriate for the occasion. Other EMail clients will 
offer a more user-friendly approach, such as displaying a list of reply-address 
that you can check off.

With regard to the Reply-to header...

This header commonly generates a lot of passionate opinions from mailing-list 
users. Some people insist it should always be present, others that it never 
should. Unfortunately, it's not that simple, so neither opinion is always 
correct.

I run a service that provides a number of mailing lists both public and private. 
Some are echoed by others (for example, to provide a moderated version), 
and some have been gatewayed to Usenet by others. Prohibiting this would 
be difficult to police if I wanted to, because any subscriber can do it. So, on 
my mailing lists, I insert a Reply-to header if one is not present. This 
discourages others from "hijacking" my MTA and effectively "splitting" my 
subscriber base, even accidentally. Replies to their moderated-list or 
newsgroup should still bounce to my list -- they have to intentionally violate 
RFC by altering the header for it to be otherwise. I also feel as you do that the 
lists are there to provide help to as broad an audience as possible, and the 
Reply-to discourages one-to-one replies. 

An important exception though, is that if the Reply-to header is already 
present when a message arrives at my MTA, I do not alter it. The RFCs 
strongly discourage it, but more important are the reasons why. Doing so will 
in some circumstances make it impossible to route return-mail back to the 
proper person, and/or route the message to the wrong person, and/or cause 
the accidental disclosure of private mail. I might also "hijack" someone else's 
MTA and split their subscriber base in cases where one of my users is 
echoing someone else's list.

The entire debate is, IMO, misplaced. The header exists to facilitate the 
delivery of mail through certain types of gateways, not to overcome the 
limitations of a given EMail client. If the reply capabilities of a given EMail 
client are limited, common sense would dictate re-writing the client, rather 
than expecting every MTA in the universe to make accomodations for its 
limits.
 
 
-- Pete Phillips
-- San Antonio, Texas
-- [EMAIL PROTECTED]
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