I hate getting "probed" in this way, especially when it is done by a method
that "lacks  flexibility  and forgiveness".

On Fri, Mar 9, 2012 at 5:00 AM, LISTSERV.AMERICAN.EDU LISTSERV Server
(15.5) <lists...@listserv.american.edu> wrote:

> Fri, 9 Mar 2012 06:00:15
>
> This message is  a "probe" for your subscription to  the MoPo-L list. You
> do not need to  take any action to remain subscribed to  the list, and in
> particular you should  not reply to this message. Simply  discard it now,
> or  read on  if  you would  like  to  know more  about  how this  probing
> mechanism works.
>
> A  "probe"  is a  message  like  the one  you  are  reading, sent  to  an
> individual subscriber  and tagged  with a  special signature  to uniquely
> identify  this  particular  subscriber  (you can  probably  not  see  the
> signature because it is in the  mail headers). If the subscriber's e-mail
> address is no longer valid, the  message will be returned to LISTSERV and
> the faulty  address will be  removed from  the list. If  the subscriber's
> address is still valid, the message will not bounce and the user will not
> be deleted.
>
> The main advantage  of this technique is that it  can be fully automated;
> the list owner does not need to read a single delivery error. For a large
> or active  list, the manpower  savings can  be tremendous. In  fact, some
> lists are  so large that it  is virtually impossible to  process delivery
> errors manually. Another advantage is that the special, unique signatures
> make it possible to accurately process delivery errors that are otherwise
> unintelligible, even to an experienced technical person.
>
> The  drawback,  however,  is  that  this  method  lacks  flexibility  and
> forgiveness. Since the Internet does not provide a reliable mechanism for
> probing an  e-mail address without  actually delivering a message  to the
> human  recipient, the  subscribers  need to  be  inconvenienced with  yet
> another "junk message". And, unlike  a human list owner, LISTSERV follows
> a number of  simple rules in determining when and  whether to terminate a
> subscription. In  particular, a common  problem with automatic  probes is
> mail gateways  that return a delivery  error, but do deliver  the message
> anyway.  LISTSERV  has no  way  to  know that  the  message  was in  fact
> delivered, and in most cases the subscriber is not aware of the existence
> of these  "false" error reports.  If this  happens to you,  LISTSERV will
> send you  another message with a  copy of the delivery  error returned by
> your mail system, so that you can show it to your technical people.
>



-- 
Bruce Hershenson and the other 24 members of the eMoviePoster.com team
P.O. Box 874
West Plains, MO 65775
Phone: 417-256-9616 (hours: Mon-Fri 9 to 5 except from 12 to 1 when we take
lunch)
our site <http://www.emovieposter.com/>
our auctions <http://www.emovieposter.com/agallery/all.html>
<http://www.emovieposter.com/unused/signature/20111028Frankensteinemployeegroupphotosignature.jpg>

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