[EMAIL PROTECTED] wrote:
>
>>>At 5/19/2000 10:44 AM -0700, [EMAIL PROTECTED] wrote or quoted:
>>>
>>>> ...Why not have all the list email sent out with a reply address
>>>> that is the unsubscribe address. That way, a reply to the email
>>>> automatically goes to the unsubscribe address...
>
> One problem: temporary bounce messages, misconfigured vacation
> programs, etc.
That's not a problem at all. Bounce messages don't go to the reply
address, they go to the envelope sender.
ezmlm takes advantage of that. It gives each recipient a different
envelope sender. Then each bounce can be traced to a subscriber
address. When messages bounce, ezmlm notes which messages you've
missed, and every so often it tells you about them. If direct emails
to you also bounce, for long enough, then you are unsubscribed.
Clever, eh? That's called VERP, and Dan invented it. You can read about
it at <http://cr.yp.to/proto/verp.txt>.
Len.
--
Frugal Tip #53:
Convince the authorities that you are the mysterious Baron Von Oklahoma,
rightful heir to all of Tulsavania.
