Hello Jason,
you wrote:
A lot of our emails are not getting through due to this error. Our servers
name is xorbia-srv-02. Any clue as to why it's using xorbia-srv-02 for the
host name instead of xorbia.com?
Thanks,
Jason
<-220 cmsmail09.cms.usa.net ESMTP USA.NET-SMTA vC8.MAIN.3.32M; Thu, 28
Dec 2006 03:17:34 GMT
->EHLO xorbia-srv-02
<-250-cmsmail09.cms.usa.net Hello xorbia-srv-02 [209.124.74.3], pleased
to meet you
<-250-SIZE 52429000
<-250-PIPELINING
<-250-8BITMIME
<-250 HELP
->MAIL FROM: <[EMAIL PROTECTED]>
<-250 Sender OK
->RCPT TO: <[EMAIL PROTECTED]>
<-501 Invalid host name xorbia-srv-02.
You are sending a EHLO of "xorbia-srv-02" and the MTA at the far end is
trying to decode this to a fully qualified domain name for your server
which it is then doing a DNS look-up on to verify its legitimacy. So
rather than using just the server name set up "xorbia-srv-02.xorbia.com"
in the EHLO setting in the POST server and make sure that the domain
name resolves in your DNS. It should then work.
I might add that we are seeing this behaviour as well and it seems to
becoming more common as various SPAM-stopping techniques get tried.
HTH,
Kym K
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