What changes did you make to DNS? Are you behind a NAT router and do you have a
Split DNS set-up? What does the following show (run on the Zimbra server):
Code:
host `hostname` <-- use backticks not single quotes
dig yourdomain.com mx
dig yourdomain.com any
and post the results.
You can also have a look in the
log files and see what errors are being reported.
If you have a trial installation of Zimbra you can get help for the sixty-days of the trial form
support@zimbra.com if you're having problems.