Unable to send messages

[Nathanael Noblet]

> On Mar 18, 2016, at 9:20 PM, Sultan Ghaznawi <shghaznawi at telusmail.net> wrote:
> 
> Hi Everyone,
>  
> I set up the Kolab 16 on CentOS 7 and everything went well. Here is what is happening:
>  
> 1.       I can send/receive emails between internal users (my domain within the box).
> 2.       I can receive emails sent from outside my domain over the internet
> 3.       I am unable to send out messages. I send a message, I do not get an error in the UI, the /var/log/maillog shows “network is unreachable” and “timed out” messages. I ran the “lmtptest google.com <http://google.com/>” command and it shows network unreachable error.

It sounds like the error is completely unrelated to kolab. Can the server successfully resolve names? Does its default route work outbound? Can you grab websites using curl or wget on that server? A network unreachable error really seems unrelated to kolab or any server system at all. Try narrowing down the issue. Perhaps dig apple.com to see if you get an IP etc..

— 
Nathanael
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