[CentOS] Not receiving root mail

On Mon, 2011-08-22 at 13:07 +0100, Anne Wilson wrote:

> <anne at xxxx.org>: host mailhost.zen.co.uk[212.23.3.98] said:
> 550-Verification
>     failed for <anne at xxx.lan> 550-Unrouteable address 550 Envelope
> Sender:
>     Domain must resolve in DNS! (in reply to RCPT TO command)

Once your email is out on the Internet is needs a genuine Internet email
address. xxx.lan is known only to your internal system and it is not an
Internet email address.

Care to show the headers of your outgoing email ? (cover-up the bits you
want to keep private)


-- 
With best regards,

Paul.
England,
EU.