Error sending to external address from web client

[Billy]

I've been going in circles on this all day, so I guess I have to ask for help. I couldn't find anything in the forums either.

I've managed to get to the point where I can have external pop3 clients send and receive messages to all addresses - that is internal and external.

On the web client side, I can send messages to all local addresses, receive messages from all sources, but can't send to and external address. Here's the error I get:


msg - Message not sent to any recipients because of these failed addresses: uoe2003 <uoe2003@hotmail.com>
code - mail.SEND_FAILURE
method - ZmCsfeCommand.invoke
detail - soap:Sender
constructor -
function ZmCsfeException(msg, code, method, detail) {
if (arguments.length == 0) {
return;
}
AjxException.call(this, msg, code, method, detail);
}

toString -
function () {
return "ZmCsfeException";
}

dump -
function () {
return "AjxException: msg=" + this.msg + " code=" + this.code + " method=" + this.method + " detail=" + this.detail;
}

Any ideas??

[KevinH]

Do you have a valid Mx and A record for your domain if you do a reverse DNS lookup on your IP. AOL/Yahoo/Hotmail etc all use this to block spammers. You might find more info in your /var/log/zimbra.log

[Billy]

There are valid MX and A records on the domain the mail is from, but not on the default domain of the zimbra server. Which domain do you think they are looking at?

That is, the mail server's default domain is ns3.xxxx.com and it has several domains set up in it.

[KevinH]

Originally Posted by Billy

There are valid MX and A records on the domain the mail is from, but not on the default domain of the zimbra server. Which domain do you think they are looking at?

That is, the mail server's default domain is ns3.xxxx.com and it has several domains set up in it.

What ever IP you look like to them externally. They'll do a reverse DNS on that.

[Billy]

Here's the log

Oct 24 11:56:51 ns3 postfix/smtpd[5633]: NOQUEUE: reject: RCPT from localhost.localdomain[127.0.0.1]: 554 <uoe2003@hotmail.com>:
Relay access denied; from=<yyy@xxx.com> to=<uoe2003@hotmail.com> proto=ESMTP helo=<ns3.xxx.com>

ns3.xxx.com is the default domain of the zimbra email server. yyy.xxx.com is an address from an internal zimbra domain.

So, it looks like zimbra is telling itself not to relay to an outside address??

[KevinH]

Have you made any changes to the MTA tab in the admin UI? Are you overriding any of the defaults there with respect to MTA or mta relay host?

[Billy]

Global:

TLS auth only - unchecked.
Webmail MTA - set to server domain name.
Client must greet with fqdn - unchecked.

Server:

Same, as applicable.

[KevinH]

Can you try setting the webmail MTA to "localhost" that's what I have on my test box here.

[Billy]

I tried localhost and rebooted the server.

The good news is that it didn't appear to break anythng else, but the bad news is that it didn't solve the problem.

I tried sending to a non-free account (not hotmail, aol, etc) and got the same browser pop up error.

Should we be looking in the hosts file? If the hosts file is changed, do we need to do something to Zimbra to refresh it (other than a re-boot)?

[KevinH]

What does your hosts file have in it? It shouldn't require a reboot to pick that file up.