==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.0
- Linux/BSD distribution name and version: Centos 6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Apache
- Manage mail accounts with iRedAdmin-Pro?  iRedAdmin
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Good day!

I have problem with list emails on folder who`s name "Прочитанные", "Нежелательная почта" - Russian names
In log file i have this:

Sep 14 10:58:13 sogod [19345]: 217.20.166.42 "POST /SOGo/so/postmaster@test.com/Mail/unseenCount HTTP/1.1" 200 167/162 0.518 - - 0
Sep 14 10:58:31 sogod [19345]: [ERROR] <0x0x7f5262d512e8[NGImap4Connection]> could not select URL: imaps://postmaster%40test.com@127.0.0.1/%26BBENQQBDUEOwQwBEIENQQBEwEPQQwBE-%20%26BDEPgRHBEIEMA-/: {RawResponse = "{ResponseResult = {description = \"Mailbox name is not valid mUTF-7\"; result = no; tagId = 6; }; }"; reason = "Mailbox name is not valid mUTF-7"; result = 0; }
Sep 14 10:58:31 sogod [19345]: 217.20.166.42 "POST /SOGo/so/postmaster@test.com/Mail/0/folder_AM_BBENQQBDUEOwQwBEIENQQBEwEPQQwBE-_SP__AM_BDEPgRHBEIEMA-/view HTTP/1.1" 500 72/48 0.309 - - 0

Added^
SOGo version is 3.2.10 - after update
Dovecot version 2.1.17
(on SOGo version 2.3.22.20170913-1 all work good)

Can someone helpme please?
Sorry for my bad English!