issue IMAP login after upgrade from Debian Wheezy to Jessie

[ropiecin]

after upgrade from Debian 7.8 Wheezy to Debian 8.1 Jessie
trying login with correct username/password
receive error: "Connection to storage server failed" on web

on Roundcube log:
[19-Aug-2015 10:12:24 +0200]: <m9eqmj4e> IMAP Error: Login failed for [email protected] from 213.254.34.234. Empty startup greeting
(sample.domain.com:993) in /var/www/roundcube/program/lib/Roundcube/rcube_imap.php on line 198 (POST /?_task=login?_task=login&_ac
tion=login)