Re: Second E-mail server

[Tim Wu VBISD <tim@xxxxxxxxx>]

Thank you for your help!!

Tim

Adam Tauno Williams wrote:

> >The plan I had is only put a A record in DNS but not MX and PTR record.  I think if
> >I put a MX record, it will become a secondary mail server on the network.  Unless
> >there is a way to put two primary mail servers on the network. Also I will not
> >change the serial No. on DNS to update the upstream  DNS.  In that way, if something
> >going wrong, the DNS won't get poisoned.   Do you think that will work?
>
> Sure.  You should put in an MX record for "testmail.foo.com" to get the mail sent to "testmail.foo.com",  it won't affect any mail except that addressed to "@testmail.foo.com".  If you don't other mail exchangers may never send it the mail (depends how they are configured).  Your right though, you can't put a second MX for just "foo.com" without screwing things up.