cyrus/imapd tls_start_servertls() failed led

zdravim, nesetkal jste se jiz nekdo s podobnym problemem? Todle mi to haze to logu co 10 minut.

Version: 2.1.18-1+sarge2

Apr 22 20:14:09 server cyrus/imapd[3093]: Fatal error: tls_start_servertls() failed
Apr 22 20:24:08 server cyrus/imapd[3282]: Fatal error: tls_start_servertls() failed

Autentizace jede pres saslauth(PAM). Pri pouzit imtestu vyplyne, ze certifikatu asi nejsou tak dobre nastavene jak jsem cekal :)..

verify error:num=19:self signed certificate in certificate chain
TLS connection established: TLSv1 with cipher AES256-SHA (256/256 bits)

myslite, ze to muze byt tim?

Dik..uz me to stve ;)

pro jistotu konfigurak imapd.conf

configdirectory: /var/lib/cyrus
defaultpartition: default
partition-default: /var/spool/cyrus/mail
partition-news: /var/spool/cyrus/news
newsspool: /var/spool/news
altnamespace: no
unixhierarchysep: no
lmtp_downcase_rcpt: yes
admins: admin
allowanonymouslogin: no
popminpoll: 0
autocreatequota: 0
umask: 077
sieveusehomedir: false
sievedir: /var/spool/sieve
hashimapspool: true
allowplaintext: yes
sasl_mech_list: PLAIN
allowapop: no
sasl_pwcheck_method: saslauthd
sasl_auto_transition: no
tls_cert_file: /etc/ssl/local/postfix.pem
tls_key_file: /etc/ssl/local/postfix.key
tls_ca_file: /etc/ssl/cacert.pem 
tls_ca_path: /etc/ssl/certs
tls_session_timeout: 1440
tls_cipher_list: TLSv1:SSLv3:SSLv2:!NULL:!EXPORT:!DES:!LOW:@STRENGTH
lmtpsocket: /var/run/cyrus/socket/lmtp
idlesocket: /var/run/cyrus/socket/idle
notifysocket: /var/run/cyrus/socket/notify

Dotaz: cyrus/imapd tls_start_servertls() failed led