even more details:
1. I use Mailscanner/postfix in the 3 MX's servers.
2. Using dig I get exactly the same of what I have in my bind server.
3. http://dnsreport.com/ reports no problem at all.
4. I'm not using any greylisting.... Yet.. I'm setting right now
spamassassin with mailscanner..
Regards
Israel
-----Mensaje original-----
De: replies-lists-centos@xxxxxxxxxxxxxxxxxxxxx
[mailto:replies-lists-centos@xxxxxxxxxxxxxxxxxxxxx]
Enviado el: Tuesday, June 20, 2006 1:04 PM
Para: SV-Israel Garcia
Asunto: Re: [CentOS] Mailers and records MX
are you seeing spam or "real" mail through the higher ordinal MX hosts?
spammers often target higher ordinal MX hosts because they assume that
there are fewer blocks there (e.g., the user base isn't checked).
if it's "real" mail, it can simply be that the lower ordinal MX hosts
are seen as slow by some sender's mail hosts.
- Rick
------------ Original Message ------------
> Date: Tuesday, June 20, 2006 02:01:06 PM -0500
> From: israel.garcia@xxxxxxxxxxxx
> To: centos@xxxxxxxxxx
> Subject: [CentOS] Mailers and records MX
>
> I've installed bind on centos 4.3.. This is a part of my config file:
>
> example.com. IN MX 10 mail.example.com.
> example.com. IN MX 15 mail1.example.com.
> example.com. IN MX 20 mail2.example.com.
>
> mail.example.com. IN A x.x.x.x
> mail1.example.com. IN A x.x.x.x
> mail2.example.com. IN A x.x.x.x
>
>
> Every seems to be fine, but I'm constantly receiving messages in my 3
> MX servers, even if mail.example.com (the less MX record) is available
> waiting for connections from outside... Why if my less mx record
> server is available the others servers are constantly receiving
> messages for my domain?
>
> Thanks for your time
> Israel
>
---------- End Original Message ----------
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