From: Wietse Venema (no email)
Date: Thu Nov 01 2001 - 08:21:58 EST
Meng Weng Wong:
> On Wed, Oct 31, 2001 at 08:32:19PM +0000, Hamish Marson wrote:
> |
> | FWIW The Cricket book recommends using only canonical names in MX
> | records, never aliases... But either will (usually) work.
>
> This is an assertion which I have never seen properly justified.
>
> While I personally don't do MX->CNAME simply because it
> seems to be so extremely unfashionable as to invite negative
> karma, as an academic exercise I would like to invite
> discussion on whether, with modern DNS, it really should
> continue to be an Internet bugbear.
Postfix doesn't care, but it assumes that the email address given
to it is not user at alias dot Postfix makes the local/remote/whatever
delivery decision on the basis of the domain name in the address.
Wietse
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