[Dovecot] Dovecot 1.2 + Sieve-0.1.19 not working please help

[Timo Sirainen]

On Fri, 2011-06-10 at 18:15 +0400, Denis Iskandarov wrote:
> i have installed dovecot  from rpm found on rpm.pbone.net
..
> Now i'm trying to install Sieve for Dovecot 1.2 to make it redirect
> spam in proper folders but getting next error:
> 
> ./configure --with-dovecot=/usr/lib/dovecot/

You can't really install Dovecot from a binary and Sieve from sources,
unless there is also some kind of a "dovecot-devel" binary package.
Install both from binaries or both from sources.