Sieve forwarding loop destroys e-mail

[Wesley Craig]

On 02 Apr 2008, at 09:00, Joseph Brennan wrote:
> The crucial difference is that if one writes a bad procmail recipe,
> the message loops round and round until one of the MTAs considers
> the hop count exceeded and bounces it to sender, but if one writes
> a bad sieve rule, the message _is silently lost_.  That's a much
> harsher penalty.

It's not really sieve that is "losing" the message, it's Cyrus LMTP  
duplicate suppression.  This is why an internal & implicit solution  
is appealing, rather than requiring a "good" sieve recipe using a  
sieve extension which is an internet draft at the moment.

:wes