==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.3
- Linux/BSD distribution name and version: centos 6.7
- Store mail accounts in which backend LDAP
- Web server Apache
- Manage mail accounts with iRedAdmin-Pro? no
- Related log if you're reporting an issue:
====
dovecot.log
Dec 17 12:11:49 imap-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=10.1.1.128, lip=10.0.0.201, TLS: SSL_read() failed: error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown ca: SSL alert number 48, session=<XumuaRQnfAAKAwGU>

maillog
Dec 17 11:47:03 testpbx amavis[2220]: Deleting db files __db.001,nanny.db,__db.002,__db.003,snmp.db,__db.004 in /var/spool/amavisd/db
Dec 17 11:47:03 testpbx amavis[2220]: Creating db in /var/spool/amavisd/db/; BerkeleyDB 0.43, libdb 4.7
Dec 17 11:47:05 testpbx sendmail[2237]: alias database /etc/aliases rebuilt by root
Dec 17 11:47:05 testpbx sendmail[2237]: /etc/aliases: 76 aliases, longest 10 bytes, 765 bytes total
Dec 17 11:47:05 testpbx sendmail[2244]: starting daemon (8.14.4): SMTP+queueing@01:00:00
Dec 17 11:47:06 testpbx sm-msp-queue[2253]: starting daemon (8.14.4): queueing@01:00:00
Dec 17 11:47:36 testpbx roundcube: <loa667nt> PHP Error: LDAP: ldap_list failed for dn=domainName=int.corp,o=domains,dc=int,dc=corp. Bad search filter (POST /?_task=mail&_action=autocomplete?_task=&_action=)
Dec 17 11:47:41 testpbx roundcube: PHP Warning:  stream_socket_client(): unable to connect to 127.0.0.1:587 (В соединении отказано) in /var/www/roundcubemail-1.1.3/vendor/pear-pear.php.net/Net_Socket/Net/Socket.php on line 159
Dec 17 11:47:41 testpbx roundcube: ERROR: В соединении отказано (111)
Dec 17 11:47:41 testpbx roundcube: ERROR: Failed to connect socket: В соединении отказано ()
Dec 17 11:47:41 testpbx roundcube: <loa667nt> SMTP Error: Connection failed: Failed to connect socket: В соединении отказано in /var/www/roundcubemail-1.1.3/program/lib/Roundcube/rcube.php on line 1708 (POST /?_task=mail&_unlock=loading1450342058061&_lang=ru&_framed=1?_task=mail&_action=send)

doesnt work sending mails
i install iredmail using this  and after that freepbx 12 using this http://wiki.freepbx.org/display/FOP/Ins … CentOS+6.5

i do chown -R asterisk. /var/www/ as says wiki
i repair iredadmin to work with
[root@testpbx www]# chmod 0400 /var/www/iredadmin/settings.py
[root@testpbx www]# chown iredadmin:iredadmin /var/www/iredadmin/settings.py

but when i send mail via roundcube its
Произошла ошибка!
SMTP erros (-1): Сбой соединения с сервером.

also i cant connect to server with thunderbird