[Mailman-Users] unsubscribe link in message footer?

[J C Lawrence]

On Sun, 23 Jul 2000 13:09:35 -0700 
Dan Mick <Dan.Mick at west.sun.com> wrote:

> Of course this would mean "one message/SMTP transaction per user",
> which is one of the things Mailman tries hard to avoid, for
> obvious efficiency reasons.
...
> But I'm not sure you want to be sending one message per user as a
> matter of course.  That gets expensive, perhaps more so than you
> think.

Exim has a pleasing concept of a filter which runs on a message
immediately prior to external delivery (hand off to another MTA).
If you do it at that level, yes, it is expensive, but you can cut
the Mailman generation/protocol expense and instead amortise if over 
the mail queue delivery time.

-- 
J C Lawrence                                 Home: claw at kanga.nu
---------(*)                               Other: coder at kanga.nu
http://www.kanga.nu/~claw/        Keys etc: finger claw at kanga.nu
--=| A man is as sane as he is dangerous to his environment |=--