MX and Split DNS
Saad Mouloudi
Saad.Mouloudi at fth.net
Mon Jul 12 17:35:02 UTC 1999
You must terminate IN NS ns1-ext.example.com with a dot (.)
Saad
shahs1 wrote:
>
> Hi,
>
> Our company is splitting the DNS servers (internal and external). Our email
> server is internal (inside the firewall). It was on the external DNS server.
> We do have an entry for emails erver on our inside DNS server.
>
> The problem is, when we remove the MX record for our email server and point
> it to our firewall (of course before doing that we already make sure that
> our firewall know where to deliver all the emails, also we have it on our
> internal DNS server), email stop working. When we checked the log, it say
> that email was sent by the firewall and received by the firewall. When it
> worked, email was sent by the firewall and received by email server.
>
> Before remove (working):
>
> IN NS ns1-ext.example.com.
>
> IN MX 5 mx01.example.com.
> IN MX 10 mx02.example.com.
>
> mailhost IN A 111.222.333.444
> mx01 IN A 111.222.333.444
> mx02 IN A 999.888.777.666
>
> After remove (not working):
>
> IN NS ns1-ext.example.com
>
> IN MX 10 mx02.example.com.
>
> mx02 IN A 999.888.777.666
>
> Does anybody know what am I doing wrong?
>
> Thanks.
> Ridhuan.
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