Here is dig kc8tdw.com mx ; <<>> DiG 9.4.2-P2.1 <<>> kc8tdw.com mx ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22971 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;kc8tdw.com. IN MX ;; ANSWER SECTION: kc8tdw.com. 3314 IN MX 10 mail.kc8tdw.com. ;; Query time: 63 msec ;; SERVER: 192.168.1.254#53(192.168.1.254) ;; WHEN: Fri Jan 29 16:56:41 2010 ;; MSG SIZE rcvd: 49 Here is what is in my /etc/hosts file 192.168.1.65 kc8tdw.com kc8tdw 192.168.1.65 mail.kc8tdw.com mail Everything that I have read, I have put in, but Zimbra still complains that it can't find the mx record. I have tried kc8tdw.com and also mail.kc8tdw.com and still no go. Any more ideas? Thanks, Ken On Fri, Jan 29, 2010 at 9:15 AM, Michael Knisely <charon79m@xxxxxxxxx>wrote: > You'll want to do a dig on an MX record: > > dig in mx kc8tdw.com > > This will give you in the answers section your MX record, which should > be mail.kc8tdw.com. > > Probably what Zimbra is freaking out about is that it does not think it > owns that IP address. All you should need is an entry in your hosts > file (/etc/hosts) on your Zimbra box telling it that mail.kc8tdw.com is > the interface's IP address. > > Mike K. > >