NethServer Imap problem

[root@nethserver ~]# yum history pkg-info dovecot
Loaded plugins: changelog, fastestmirror, nethserver_events
Transaction ID : 133
Begin time : Tue Dec 4 08:15:25 2018
Package : dovecot-1:2.2.10-8.el7.x86_64
State : Updated
Size : 10,249,846
Build host : c1bm.rdu2.centos.org
Build time : Thu Aug 3 08:52:54 2017
Packager : CentOS BuildSystem http://bugs.centos.org
Vendor : CentOS
License : MIT and LGPLv2
URL : http://www.dovecot.org/
Source RPM : dovecot-2.2.10-8.el7.src.rpm
Commit Time : Tue Mar 21 13:00:00 2017
Committer : Michal Hlavinka mhlavink@redhat.com
Reason : dep
From repo : base
Installed by : System

Transaction ID : 133
Begin time : Tue Dec 4 08:15:25 2018
Package : dovecot-1:2.2.36-3.el7.x86_64
State : Update
Size : 14,868,869
Build host : x86-01.bsys.centos.org
Build time : Wed Oct 31 01:24:57 2018
Packager : CentOS BuildSystem http://bugs.centos.org
Vendor : CentOS
License : MIT and LGPLv2
URL : http://www.dovecot.org/
Source RPM : dovecot-2.2.36-3.el7.src.rpm
Commit Time : Wed Sep 19 14:00:00 2018
Committer : Michal Hlavinka mhlavink@redhat.com
Reason : dep
From repo : base
Installed by : System
Changed by : root

Transaction ID : 3
Begin time : Wed Nov 15 20:53:59 2017
Package : dovecot-1:2.2.10-8.el7.x86_64
State : Dep-Install
Size : 10,249,846
Build host : c1bm.rdu2.centos.org
Build time : Thu Aug 3 08:52:54 2017
Packager : CentOS BuildSystem http://bugs.centos.org
Vendor : CentOS
License : MIT and LGPLv2
URL : http://www.dovecot.org/
Source RPM : dovecot-2.2.10-8.el7.src.rpm
Commit Time : Tue Mar 21 13:00:00 2017
Committer : Michal Hlavinka mhlavink@redhat.com
Reason : dep
From repo : base
Installed by : System
history pkg-info