At 1:05 PM -0600 1/8/2000, David W. Tamkin wrote:
>  But whenever, in fora for discussing running lists on those
>  hosts, someone suggests removing the direct-add feature, other listowners
>  howl and scream that their lists need to reach a contingent of people who
>  are too helpless with email to carry out the instructions of confirming a
>  subscription.

>  The objections do not come from spammers but from people running lists for
>  non-technical topics, many of whom have actually had experiences with people
>  lost and confused at the directions to reply to the confirmation request.

And that's a very true problem.

It's not something I talk about on this list generally, because I 
know what the reaction will be, but a number of months ago, I removed 
the mail-back validation from a number of my lists. The reason? The 
mail-back validation was causing huge numbers of problems, and worse, 
significant drop-out of subscribers (on the order of 40%). That was 
simply not acceptable.

These days, I get about one spam/slam complaint per 50-75,000 
subscriptions. On the mail-back controlled lists, I get complaints 
and/or help requests from users at the rate of about 1 for every 
300-500 subscriptions. Maybe 1 in 250.

Mailback-validations are an important tool, but they're not the 
panacea some make them out to be. They solve A set of e-mail problems 
(but potentially create other problems, as the mail-back e-mail 
itself can be used as an attack!), but mailbacks cause other 
problems. Unfortunately, the people most sensitive to these issues 
are also the least open to discussion about e-mail techniques, I've 
found. So I long ago gave up trying to discuss it.

We've been very successful in building a system that makes life as 
easy as possible for users, both in subscribing and in unsubscribing 
-- the "welcome" message, for instance, includes an encoded URL that 
hooks into our CGI with the address already in it, so they literally 
can get back off with a click. Soon, we'll be encoding every piece of 
e-mail that way. And in the same period of time, the number of 
'unsubscribe' transactions that requires some kind of manual 
intervention (i.e. 'me'), has dropped from 51% of the unsubscribes to 
18%.

The keys are (a) make it simple, keep it simple, and (b) reactive 
administration. The system requires administration that reacts in a 
timely manner as well as systems that work reliably and don't require 
significant technical skills.

>  Personally, I'd rather see it removed.  Anyone incapable of answering email
>  is no asset to a mailing list

Sorry, David, but that's a very bogus, elitist attitude. e-mail savvy 
does not translate to competency on other topics. It might well be 
true on list-managers or majordomo-owners, but why in the heck should 
it matter for South Bay Birds or Atlanta-Thrashers?

That attitude just doesn't work well in the reality of a mainstreamed Internet.

FWIW, I firmly believe that mailback validation is a useful tool, and 
until someone comes up with a better way of handling it, is a key 
technology for discussion lists, especially high-volume ones, because 
a slam/spam attack using a few high-volume lists can drown a user 
before they realize what hit them. But for smaller, quieter lists, 
and for moderated/announce/newsletter type things, in many cases, 
I've simply found mail-back validation causes more problems than it 
solves.

chuq
--
Chuq Von Rospach - Plaidworks Consulting (mailto:[EMAIL PROTECTED])
Apple Mail List Gnome (mailto:[EMAIL PROTECTED])

Pokemon is a game where children go into the woods and capture furry
little creatures and then bring them home and teach them to pit fight.

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