domain name, machine name alias

[Dan McCullough]

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

On 11/4/06, Alexander Dalloz <ad+lists at uni-x.org> wrote:
> Dan McCullough schrieb:
>
> > On 11/4/06, Dan McCullough <dan.mccullough at gmail.com> 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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