Re: [Hampshire] Email return-to-sender - who has dropped wha…

Top Page

Reply to this message
Author: Simon Huggins
Date:  
To: hampshire
Subject: Re: [Hampshire] Email return-to-sender - who has dropped whatwhere?
On Tue, Nov 03, 2009 at 10:12:30AM +0000, Victor Churchill wrote:
> The script wants to send the message to Bozo@??? (Names
> left of the '@' changed. I have left the domain name unsanitized)
> The failure msg looks like this:


> <Bozo2@???>: Host or domain name not found. Name service error for
>     name=data.h-ems.com.h-ems.com type=A: Host not found


> That line "for name=data.h-ems.com.h-ems.com type=A: Host not found"
> looks to me almost like a blatant typo/clerical error in somebody's
> setup.


Yes. Looks like the classic missing . in a zonefile:

The MX for h-ems.com is:
[huggie@the ~]$ dig -t MX h-ems.com +short
10 data.h-ems.com.h-ems.com.

Yet:
[huggie@the ~]$ dig -t any data.h-ems.com.h-ems.com +short
[huggie@the ~]$ dig -t any data.h-ems.com +short
213.232.95.114

So they probably meant to set their MX to data.h-ems.com.

> Looks to me like Bozo@??? is
> translated/resolved/forwarded (never quite sure of the terminology) to
> Bozo2@???,


That seems likely.

> but then whilst it is trying to resolve Bozo2@???,
> gateway1.messagingengine.com. finds that data.h-ems.com.h-ems.com does
> not exist.


> I am not sure how/why Bozo3@??? comes in to it. I'd have
> though the whole thing would have failed before it got as far as him.


> Can somebody indicate from this information, what sequence of
> processes going on? I'd actually find it quite useful to get more of
> an idea of what is happening.


I don't think from what you have that you can assume anything about the
fastmail address.

However it looks like bozo@??? is forwarding to
bozo2@??? and that mail to h-ems.com is broken because of the
broken MX record. Hence the bounce you see.

-- 
Simon  [ huggie@??? ] *\    Le doute est le commencement de la  \**
****** ]-+-+-+-+-+-+-+-+-[ **\                              sagesse.  \*
****** [  Htag.pl 0.0.24 ] ***\                                        \