RSPAMD install error on CloudLinux 8.3

[unihostbrasil]

We were unable to install rspamd, the following error appears. It appears to be a Custombuild failure to manage package dependency when installing RSPAMD.

$ ./build rspamd
Updating Subscription Management repositories.
Unable to read consumer identity
This system is receiving updates from CloudLinux Network server.
Last metadata expiration check: 0:00:20 ago on Sat Dec 26 04:57:59 2020.
No match for argument: epel-release
Error: Unable to find a match: epel-release
Updating Subscription Management repositories.
Unable to read consumer identity
This system is receiving updates from CloudLinux Network server.
Last metadata expiration check: 0:00:21 ago on Sat Dec 26 04:57:59 2020.
Error:
Problem: conflicting requests
- nothing provides libunwind.so.8()(64bit) needed by rspamd-2.6-156.x86_64
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
Yum failed to install rspamd.

*** INFO:

$ ./build version
2.0.0 (rev: 2622)


$ cat /etc/os-release
NAME="CloudLinux"
VERSION="8.3 (Pavel Belyayev)"
ID="cloudlinux"
ID_LIKE="rhel fedora centos"
VERSION_ID="8.3"
PLATFORM_ID="platform:el8"
PRETTY_NAME="CloudLinux 8.3 (Pavel Belyayev)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:cloudlinux:cloudlinux:8.3:GA:server"
HOME_URL="https://www.cloudlinux.com/"
BUG_REPORT_URL="https://www.cloudlinux.com/support"


$ yum repolist
Updating Subscription Management repositories.
Unable to read consumer identity
This system is receiving updates from CloudLinux Network server.
repo id repo name
cloudlinux-AppStream CloudLinux-8.3 - AppStream
cloudlinux-BaseOS CloudLinux-8.3 - BaseOS
cloudlinux-PowerTools CloudLinux-8.3 - PowerTools
cloudlinux-rollout-1 CloudLinux-8 - Gradual Rollout Slot 1
cloudlinux-rollout-2 CloudLinux-8 - Gradual Rollout Slot 2
cloudlinux-rollout-3 CloudLinux-8 - Gradual Rollout Slot 3
cloudlinux-rollout-4 CloudLinux-8 - Gradual Rollout Slot 4
cloudlinux-rollout-5 CloudLinux-8 - Gradual Rollout Slot 5
cloudlinux-rollout-6 CloudLinux-8 - Gradual Rollout Slot 6
cloudlinux-x86_64-server-8 CloudLinux Server 8 x86_64
rspamd Rspamd stable repository