[X-Servers] Mail Server Mailing List

[Lydia Osborne]

"they are doing a reverse lookup on wc.edu (e.g. for spam protection) and getting the wrong server's MX record."
Now that makes sense. I don't know if my boss did a reverse DNS for kyrie. I do know that we had that problem with the old mail server until we put one in place. Let me go see.
Thanks!!
Lydia



Peter C.S. Adams wrote:
> Thus spake Lydia Osborne <osborne at wc.edu>, circa 4/10/2006 2:38 PM:
>   
>> host www.wc.edu brings up the IP address of the web server. The domain
>> name for the new mail server is different from the domain name of the
>> old mail server and both  have different MX records. We can send e-mail
>> from the new server but occasionally it just won't go to a certain domain.
>>     
>
> I did a "dig kyrie.wc.edu mx" (which I assume is the OS X Server) and did
> not see an MW record. Are you sure it has one?
>
> Try "dig bouncing.domain mx" and see if there is an MX record for that
> domain. I suspect the problem is in there somewhere: either the domains that
> are bouncing don't have MX records or they are doing a reverse lookup on
> wc.edu (e.g. for spam protection) and getting the wrong server's MX record.
>
> I'm in a little over my head at this point, but I think you have a DNS
> problem. Have you checked with your network administrator (or the one at
> your ISP)?
>
>      peter
>
>
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