Cant send mail

[kwelipatton]

I installed zimbra on a ubuntu 8.04 machine no issues everything went well. After installation I could send mail with no issues. I also when into global settings>Mta and I unchecked Protocols and DNS Check (Below).

Hostname in greeting violates RFC
Client must greet with a fully qualified hostname
Sender address must be fully qualified

Client's IP address
Hostname in greeting
Sender's domain

Also in severs>Mta enable DNS lookups. I did that from reading a forums it helped someone. That obviously did not help me. So I set them all back, and not I can receive mail. Can someone explain what these are and how to get to the bottom of sending and receiving?

[uxbod]

Ok. So a few basics first

cat /etc/hosts
cat /etc/resolv.conf
dig yourdomainname mx
dig yourserverfqdn
host `hostname` <- note backticks and not double quotes

any error messages in /var/log/zimbra.log ?

[kwelipatton]

Here is the answer to your questions. The zimbra.log there are no errors that jump out. Seems like its just logging every action.

***
127.0.0.1 localhost.localdomain localhost
192.168.30.50 mail.berkeleypride.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
*****
domain berkeleypride.com
nameserver 208.67.222.222
nameserver 208.67.220.220
*****
;; QUESTION SECTION:
;berkeleypride.com. IN MX

;; ANSWER SECTION:
berkeleypride.com. 3600 IN MX 0 mail.berkeleypride.com.

;; Query time: 84 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Tue Oct 28 17:27:44 2008
;; MSG SIZE rcvd: 56
************
;; QUESTION SECTION:
;mail.berkeleypride.com. IN A

;; ANSWER SECTION:
mail.berkeleypride.com. 3482 IN A 70.62.247.195

;; Query time: 25 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Tue Oct 28 17:29:42 2008
;; MSG SIZE rcvd: 56
*****************
mail.berkeleypride.com has address 70.62.247.195
*****************

Originally Posted by uxbod

Ok. So a few basics first

cat /etc/hosts
cat /etc/resolv.conf
dig yourdomainname mx
dig yourserverfqdn
host `hostname` <- note backticks and not double quotes

any error messages in /var/log/zimbra.log ?

[kwelipatton]

Anyone? I cant figure it out?

[phoenix]

Originally Posted by kwelipatton

Anyone? I cant figure it out?

According to the information you've posted your IP is resolving to your external IP when it should be the LAN IP of your server, you'll need to set-up a Split DNS. As you're using Ubuntu these instructions might be of more help.

[kwelipatton]

Thank you i kinda figured that out. What puzzles me and why wouldnt most installs be setup this way. Also should dns lookup be on or off?

[phoenix]

Originally Posted by kwelipatton

Thank you i kinda figured that out. What puzzles me and why wouldnt most installs be setup this way.

Zimbra (postfix) uses DNS to deliver mail, if you are behind a router then your DNS (DNS server behind the router) should point to the LAN IP of the server so we know where it is. If you have a internet visible server on a public IP then the DNS should resolve to that. When you're behind NAT and do a DNS lookup you'll get the public IP, postfix can't deliver to that as it doesn't know where your server is - unless the router has a feature called 'loopback' (most don't have that feature).

Originally Posted by kwelipatton

Also should dns lookup be on or off?

They should be on if you want to deliver external mail.

[vincec]

Originally Posted by phoenix

According to the information you've posted your IP is resolving to your external IP when it should be the LAN IP of your server, you'll need to set-up a Split DNS. As you're using Ubuntu these instructions might be of more help.

Is there any reason that you recommend a setup as complicated as an entire DNS server over a /etc/hosts file record that points the mail.domain.tld to 127.0.0.1 or the local IP?