Dovecot Sieve Plugin... 1. ./configure --with-dovecot=/usr/lib/dovecot make make install protocol lda { postmaster_address = postmaster@kipalex.ru mail_plugins = sieve } plugin { sieve = /home/vmail/kipalex.ru/andrey@kipalex.ru/dovecot.sieve } 2. dovecot.sieve file in /home/vmail/kipalex.ru/andrey@kipalex.ru require "fileinto"; if header :contains "Subject" "***SPAM***" { fileinto "/home/vmail/kipalex.ru/andrey@kipalex.ru/.Spam/new"; } And in the dovecot.log I see: 2009-11-16 13:45:55 deliver(andrey@kipalex.ru): Error: sieve: msgid=<351009bd0911160227r6ef9f39fja32c2893cb7fc54e@mail.gmail.com>: failed to store into mailbox '/home/vmail/kipalex.ru/andrey@kipalex.ru/.Spam/new': Invalid mailbox name 2009-11-16 13:45:55 deliver(andrey@kipalex.ru): Error: sieve: execution of script /home/vmail/kipalex.ru/andrey@kipalex.ru/dovecot.sieve failed, but implicit keep was successful Mail system is already up and working... Please Help... Why Dovecot plugin is not working???