From: Nick Makris (nick@mcn.org)
Date: 02/21/03-10:26:22 AM Z
I recently investigated email messages that arrive out of order and that
never show up.
The following is a message to another list that depicts what I found......
Nick
It appears that for the last two days there has been some time during which
MCN email didn't come in as usual and expected. I spoke with the MCN Staff
today after not receiving any messages for over two hours. As a result, I
developed the following understanding about how the mail server works - as
has been discussed on this list at least once or twice, this is also the
very reason why messages come in out of order.
When the mail server is processing a normal amount of mail, it does so in
real time, so as a message is received it is forwarded to the proper bucket.
When loads get higher than normal, the messages are placed in a queue for
processing later.
When loads get too high, messages can be/are/have been rejected.
When the load returns to normal, messages are processed real time once again
and when (this is where they get out of order) there is time to process the
queue, those messages are processed FIFO (for you non-techies, "that's first
in first out").
Just what you always wanted to know...........
n
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