Archived from groups: microsoft.public.exchange2000.admin,microsoft.public.exchange2000.general,microsoft.public.win2000.dns (More info?)
Sorry for crossing-posting. I really don't know which NG should I be
posting this question.
We are currently running an Exchange server, which is serving the users in
the head office under domain-A. We have a few sales offices which also have
users who requires email access. They want to use their own email domain
(i.e. domain-B, domain-C and so forth) due to the nature of our business.
Therefore, we want the same Exchange server to send and receive email for
multiple domains.
On the Exchange side, I can add other domain names in the ESM and set up
proxy email address under each user's account property. But I do not know
what would be the best practice on the DNS side. I am thinking of
requesting the ISP to add the MX records for domain-A, domain-B and domain-C
accordingly. They should all be pointing to the same IP address as the one
we use for domain-A. However, the technician from my ISP disagreed with
that. He said that it would upset reverse-DNS lookup if an IP address is
used by different domains.
I am not sure his point is valid. Could any experts please shed some
lights? Thanks in advance.
Cheers,
Joe
Sorry for crossing-posting. I really don't know which NG should I be
posting this question.
We are currently running an Exchange server, which is serving the users in
the head office under domain-A. We have a few sales offices which also have
users who requires email access. They want to use their own email domain
(i.e. domain-B, domain-C and so forth) due to the nature of our business.
Therefore, we want the same Exchange server to send and receive email for
multiple domains.
On the Exchange side, I can add other domain names in the ESM and set up
proxy email address under each user's account property. But I do not know
what would be the best practice on the DNS side. I am thinking of
requesting the ISP to add the MX records for domain-A, domain-B and domain-C
accordingly. They should all be pointing to the same IP address as the one
we use for domain-A. However, the technician from my ISP disagreed with
that. He said that it would upset reverse-DNS lookup if an IP address is
used by different domains.
I am not sure his point is valid. Could any experts please shed some
lights? Thanks in advance.
Cheers,
Joe