DNS ERROR resolving MX for mail.domain.com

[csoliss]

hi, I am trying to install zimbra Colaboration suite 5.0, i readed a lot threads aun i couldn't find my answer...


this is my configuration:
/etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 192.0.0.121
network 192.0..0.0
netmask 255.255.255.0
broadcast 192.0.0.255
gateway 192.0.0.150

/etc/resolv.conf
nameserver 192.0.0.151
nameserver 216.xxx.xxx.5
nameserver 216.xxx.xxx.6

/etc/hosts
127.0.0.1 localhost
192.0.0.121 mail.domain.com mail
# The following lines are desirable for IPv6 capable hosts
# ::1 ip6-localhost ip6-loopback
# fe00::0 ip6-localnet
# ff00::0 ip6-mcastprefix
# ff02::1 ip6-allnodes
# ff02::2 ip6-allrouters
# ff02::3 ip6-allhosts

/etc/hostname
mail.domain.com

server DNS (internal) (cobalt)
(A) mail.domain.com 192.0.0.121
(PTR) 192.0.0.121 mail.domain.com
(MX) mail.domain.com mail.domain.com

Server DNS (external)
domail.com 200.xxx.xxx.85

MX Record:
Hostname ( Alias): mail.domail.com
A Record: IP 200.xxx.xxx.92
Priority: 10

when I do nslookup from KLOTH.NET - NSLOOKUP - DNS Look up - Find IP Address
>domain.com
DNS server handling your query: 216.xxx.xxx.5
DNS server's address: 216.xxx.xxx.5#53

Name: domain.com
Address: 200.xxx.xxx.86
>domain.com (query MX)
DNS server handling your query: 216.xxx.xxx.5
DNS server's address: 216.xxx.xxx.5#53
domain.com mail exchanger = 10 mail.domain.com.

>mail.domain.com
DNS server handling your query: 216.xxx.xxx.5
DNS server's address: 216.xxx.xxx.5#53

Name: mail.domain.com
Address: 200.xxx.xxx.92


but when I go install:

Setting defaults...

DNS ERROR resolving MX for mail.agbnielsen.com.ve
It is suggested that the domain name have an MX record configured in DNS


what happend?

[mmorse]

server DNS (internal) (cobalt)
(MX) mail.domain.com mail.domain.com

Don't know if you meant to say domain.com > mx mail.domain.com.

If it's just tacking "mail." on the front you should be able to ignore that for now, and simply create a just "agbnielsen.com.ve' domain after install.

[csoliss]

Originally Posted by mmorse

Don't know if you meant to say domain.com > mx mail.domain.com.

If it's just tacking "mail." on the front you should be able to ignore that for now, and simply create a just "agbnielsen.com.ve' domain after install.

I meant that mail.domain.com is the MX register of mail.domain.com

[phoenix]

Originally Posted by csoliss

I meant that mail.domain.com is the MX register of mail.domain.com

You need a Split DNS set-up.

[webman]

Providing the Zimbra server can resolve mail.domain.com to its internal IP address (via cobalt, the internal DNS server) then I don't think you will need to use split DNS set up on ther Zimbra server.

[csoliss]

I think the same, because I can send messages amoung internal clients, the problem is for receive mail from the external mail (gmail, yahoo, hotmail, etc)
so, what can i do?


thank

[webman]

I thought your problem was just about the suggestion about the DNS MX record when you installed Zimbra?

If you are not receiving any incoming mail then the problem is probably down to incorrectly-configured external DNS settings for the domain, or if you're using NAT (which it seems you are) port 25 may not be open on your firewall and forwarded to the correct IP address.

[csoliss]

this is my firewall configuration

port 25 Protocol: SMTP
incoming: from any to 192.0.0.121(zimbra server IP) 192.0.0.151 (other mail server)
outcoming from any to any

NOTE: the other mail server have other domain.

[webman]

A TCP port can only be forwarded to one address - which one - .121 or .151? If it's not forwarded to the Zimbra server, then the server it is forwarded to must be configured to deliver messages for the Zimbra-handling domain to the Zimbra server.

[csoliss]

the situation is that i already have a mail server working with other domain name in other ip, but both use the same firewall, what can I do?