Sam - MacAmbulance wrote on 31/7/09 at 16:43

>I'm off for two weeks too, Cuba for me! I'm away Monday 3rd to 18th and
>will be delisting so you don't get an autoreply ;)

oh blimey...I hope we don't get one of those in a loop.

Let me take this opportunity to explain the worst-case scenario 
in the absence of a moderator to everybody.

Say for example that Sam forgot to set the auto reply not to go 
to the list. Someone (let's call them "Fred") posts an innocuous 
message. Sam auto replies. Some then receives the auto reply via 
the list. He auto replies to it. At this point, there is one 
loop, spawning an endless series of auto replies. This is bad. 
It's nothing compared to what comes next.

Someone else (let's call them Arnold), gets this flood of auto 
replies: let's imagine that operating on a 10 minute loop (one 
message every 10 minutes). he posts to the list "hey, what's 
going on".

Sam auto replies to Arnold. We now have two loops. That's my 
message every five minutes. Another poster tries to be helpful 
(let's call her "Betty") and says to the list "I understand what 
is happening. Please do not post any messages to the list or 
make it worse".

Sam auto replies... we're now down to every 2 1/2 minutes for 
each message. Someone else posts a question to Betty via the 
list asking for more details. 1 1/4 minutes per message.

Throw in a few angry complaints and you end up with a loop that 
is running so fast you can't imagine it. The worst-case scenario 
that I have actually seen in real life was in the early days of 
MacOS 10 when there was an applications list. We had well over 
700 auto replies in less than an hour before the list moderator 
got out of bed that day. Imagine if he had had the day off.

It virtually destroyed the list -- for weeks afterwards people 
were writing insanely angry rants to the list, as if everybody 
had done it to them on purpose.

So -- if you see an auto reply on the list, firstly hope that it 
is configured intelligently (to send only one message) -- this 
is actually usually the case nowadays). DO not reply! If you see 
two from the same person, I suggest you go to the Google page 
for the group and set your preferences to no mail as soon as you 
can -- if there are two via the list, that means they will keep 
on coming. Don't mistake this for getting one to your personal 
address directly -- some auto replies will do that. I will 
return to the chaos in a fortnight and fix it. You will then 
have to remember to return (turn your mail on again).

If you can possibly avoid it, please do not leave the list -- it 
makes an awful lot of work for me to resubscribe everybody who 
drifts back. However, if you can't get the no mail settings to 
work, so be it...

But I have not seen this for years -- and I suspect that Google 
works out what's going on automatically and stops it.

Good luck!


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