dovecot-sieve in ports?

# portmaster mail/dovecot-sieve 

===>>> The dependency for mail/dovecot
      seems to be handled by dovecot2-2.2.22

===>>> Initial dependency check complete for mail/dovecot-sieve


===>>> Starting build for mail/dovecot-sieve <<<===

===>>> All dependencies are up to date

===>  Cleaning for dovecot-sieve-1.2+0.1.19_2
===>>> Waiting on fetch & checksum for mail/dovecot-sieve <<<===
===>  License LGPL21 accepted by the user
===>   dovecot-sieve-1.2+0.1.19_2 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by dovecot-sieve-1.2+0.1.19_2 for building

===>  dovecot-1.2.17_6 conflicts with installed package(s): 
     dovecot2-2.2.22

Sooo… Is dovecot-sieve for dovecot 1.x only? Or is the ports tree wonky?

-- 
2+2=5 for sufficiently large values of 2.