Post the output of the following (run on the Zimbra server):
Code:
cat /etc/hosts
cat /etc/resolv.conf
dig yourdomain.com and
dig yourdomain.com mx
host `hostname` <-- use that exact command with backticks not single quotes
The following is not required by Zimbra installation and does not need to be modified:
Code:
/etc/redhat-release as required by zimbra