[pure-silver] Re: Strange Hiccups on pure-silver ??
- From: Georges Giralt <georges.giralt@xxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Thu, 16 Aug 2007 21:48:46 +0200
Snoopy a écrit :
Sorry for posting to the whole list, but I am wondering if anyone else
is experiencing the same hiccups?
Very often in the past month or so I get no posts for days on end. Then
I get some which are replies to questions I have misseed. So there is
abviously list traffic that went before!
But I only receive it weeks later...
Just now I got messages coming in from July 27th!!! and August 4th, 5th
and 6th, like "word from Ilford", where I have already seen about a
dozen replies before...so basically the posts I now see are arriving
here two to three weeks late?
IS anything majorly wrong with the list server?
Is anyone else seeing this? Or am I being excommunicated ? :-)
Thanks for anyone who can help or shed some light on this?
Love,
Snoopy
Hi !
The standard acceptable delay for one server to send an email is 4 days
(before it send back an error message and give up on transmission). So
if every server in the path had problem sending, you've to multiply this
4 days delay by the number of hops and get ... months ! This fortunately
never happens ! but the following is more likely :
Imagine one server on the path from Freelist to the mail server onto
which you gather it has some problems : it gets the mails and then
because of some failure or scheduled downtime or whatever reason, it
fails to forward them. These messages get stuck at this location. when
the machines comes back on line, it does it's job and deliver it's send
queue. So you "miss" the sequencing.
Things are worse because when it's down mail server found another path
from Freelist to your's ISP mail server (normally an ISP provides 2 or
more mail servers in order to survive a failure, remember, Internet is a
network devised by military during the cold war. It was designed to
survive massive atomic bombing of the Unites State ) So during the time
the server is down, you get the messages responding to the message you
missed...
Alas, these situations are quite impossible to diagnose because you do
not know which path the particular Email out of sequence has got.
So you may complain to your ISP (they often are the culprit...) and
attach to your complaining email the one you get out of sequence
ensuring you send them the full list of headers which contain the
actual path followed by this particular message. If the delay was caused
by a server failure or a server stop without proper procedure (flushing
the send queue BEFORE shutting down) they will know someone has noticed
their poor professionalism. If they are not the culprit.... you're left
with an out of sequence message.
Hope this helps ;-)
--
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recyclez vos électrons !
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