Re: Frank Carmickle and Marco Paganini must die

[Matthias Urlichs <smurf@smurf.noris.de>]

Hi, Marc Haber wrote:

> Loop detection implemented in MTAs is, however, a crude hack. Simply
> counting the Received:-Headers is by no means reliable. A good scheme
> for e-mail loop detection would work significantly different.
> 
qmail inserts a Delivered-To: header when it does final delivery, and
rejects mails which already have that header.

This fails several common usages, such as
 Receive mail. 
 Have mail misfiled due to incomplete filter rules.
 Fix filter and bounce mail back to self.
 Watch mail vanish into the bit bucket.

-- 
Matthias Urlichs