per user procmail filtering and dovecot-lda

[Rick Romero]

  Quoting Kenneth Porter <shiva at sewingwitch.com>:

> On 5/17/2017 11:26 AM, Adam Shostack wrote:
>> Also, procmail is way out of date, no longer maintained, and there are
>> "semi" known vulnerabilities that haven't been fixed.  See
>> http://marc.info/?l=openbsd-ports&m=141634350915839&w=2  & the
>> wikipedia page.
>
> What alternatives exist for server-side filtering into folders? Is  
> there anything as powerful?
>  

Sieve works great.  I currently do some header modification in  
Procmail, then pipe to a LMTP script to deliver to Dovecot-LMTP and  
then filter into the Spam folder via Sieve...

It cuts down on NFS writes on ZFS pools.

Rick