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Originally Posted by flasailor I suspect it has something to do with how the MX record for the second domain is configured. The DNS records are at godaddy. The primary domain on zimbra is working though. I have the godaddy MX set to the zimbra server ip address. Tried same setting on godaddy for the second domain. |
You need an A record for host.yourdomain.com pointing to the server's IP. Then you create the MX record point to that A record.
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Originally Posted by flasailor I have also established the bind records and bind db on ubuntu for the second domain. |
Since you are using Godaddy for your DNS, what is the Ubuntu bind server for? Are you running split DNS? If so you need to check both internal sending of mail and external sending as both locations are using different DNS.