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#19 01-23-2001, 03:06 PM

The only reason a message will not be put into the forum is if the thread starter does not exist.

You are right, there may be occasions when later posts refer to all levels of the conversation. In fact all messages will refer to the thread starter by default. This fact ensures messages are only discarded if the thread starter is not available.

Usenet is threaded. The only way to post to usenet is by responding to a particular article. You should think of a usenet 'thread' as a conversation that consists of many threads. Each article contains the message ids of all other articles within the thread. Each article within the conversation has an 'order' based on the level within the conversation and the order within a particular thread. All messages within any thread will contain the message id of the conversation starter as a minimum.

So a conversation can consist of:

Code:

1- Conversation starter =  ord 0
   2- Reply to 1 = ord 1
      3- Reply to 2 = ord 2
         4- Reply to 3 = ord 3
         5- Reply to 3 = ord 3
   6- Reply to 1 = ord 1
      7- Reply to 6 = ord 2

Looking at the above, you will see that messages 1 thru 4 all belong in the same thread. They will each contain the message id of all articles before them. Message 5, however will not contain the message id of 4 as it does not refer to it. Likewise, message 6 will only contain the message id of number 1 in the header, it will know nothing about the other articles in the conversation. But what is important, is the fact that all messages will have at least the message id of the conversation starter in it's header. So, as long as the conversation starter exists, the messages WILL be put into your forum.

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