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Re: now this is something.
On Thu, Jul 27, 2000, Ben-Nes Michael wrote about "Re: now this is something.":
> Alex Shnitman wrote:
>
> > Hi, Ben-Nes!
> >
> > On Thu, Jul 27, 2000 at 01:37:10PM +0300, you wrote the following:
> >
> > > After 3 years in the list I found after 2 days that I don't receive any
> > > messages, i checked and found that im not subscribed.
> > >
> > > was it maintain failure ?
> > > any one else experienced this ?
> >
> > Just checked the Listar messages -- it says that between July 23rd and
> > 24th it received 14 bounces from you saying "we do not relay", so it
> > unsubscribed you.
All the replies to the above question seemed to focus on why exactly his
messages bounced for two days. But the fact is that it is quite normal for
mail hosts to go down (or worse, come up with a bad configuration) for two
days. Of course, big companies keep backup servers, redundant network
connections, secondary mail exchanges and all kinds of tricks to keep such an
embaracing thing from happening but small sites often can't afford it, or
don't know how to do it.
So the mailing list managers must be less "trigger-happy", and not remove
people with bouncing addresses until, say, 2 weeks have passed. Even errors
like "user not known" are not "final" - it can simply mean, for example, that
the mailserver's disks got trashed, and the OS was reinstalled and brought
online but not all backups were brought back (this shouldn't be done, of
course, but it nevertheless happens).
This is what I do on the mailing lists I run.
P.S. from my experience, "we do not relay" bounces usually happen when the
machine is down, and a secondary mail-exchange was set up for it without that
other machine's administrator being notified of this. For example, a Netvision
customer may assume that he can put "mx10.netvision.net.il" as a secondary
mail exchange, but this is not true without talking to Netvision's admins
first.
--
Nadav Har'El | Thursday, Jul 27 2000, 24 Tammuz 5760
nyh@math.technion.ac.il |-----------------------------------------
Phone: +972-53-245868, ICQ 13349191 |Hardware, n.: The parts of a computer
http://nadav.harel.org.il |system that can be kicked.
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