https://www.zabbix.com/download?zabbix=4.0&os_distribution=centos&os_version=7&db=mysql

following install instructions

a. Install Zabbix repository

documentation
# rpm -Uvh https://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/zabbix-release-4.0-1.el7.noarch.rpm
# yum clean all

b. Install Zabbix server, frontend, agent

1. yum -y install zabbix-server-mysql zabbix-web-mysql zabbix-agent

fails

I get "Metadata file does not match checksum"

I tried

zabbix-release-3.5-1.el7.noarch.rpm

zabbix-release-4.0-1.el7.noarch.rpm

not working.

failure: repodata/6842e98407e78c66b975f98432ba9422077e0646292de0c24fbff625d56b6421-primary.sqlite.bz2 from zabbix: [Errno 256] No more mirrors to try.
http://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/repodata/6842e98407e78c66b975f98432ba9422077e0646292de0c24fbff625d56b6421-primary.sqlite.bz2: [Errno -1] Metadata file does not match checksum