Re: domain name, machine name alias

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would it be easier to set machine to mail.domain.com mail rather then mail1?

On 11/4/06, Alexander Dalloz <[email protected]> wrote:
Dan McCullough schrieb:

> On 11/4/06, Dan McCullough <[email protected]> wrote:
>
>> okay so if mail comes in for mail.domain.com the local-host-names will
>> "map" that to mail1.domain.com so it doesn't bounce or anything.
>
No, local-hosts-names is no map. It only tells the MTA which domain
names are to be treated being local.
So if you run Sendmail (as only for that MTA local-host-names is the
default file name specifying local domains) and you configured the DNS
zone for domain.com to have an MX pointing to the mail1.domain.com A
PTR, Sendmail will respect domain.com to be local if it appears in class
{w}. To be checked running "echo '$=w' | /usr/lib/sendmail -bt". All
aliases from the former machine setup should work as before if you did
transferred them. Or you may run a virtusertable.
If you run a different MTA like Postfix or Exim the setup is a bit
different. If you did not switch the MTA from the old MX host to the new
one then you will just have to set the new one up as the old one and
correct the DNS MX record.

Alexander

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